Brief Specification Product Dimension Mouse:4.68L x 2.48W x 1.39H in. Product Weight: 0.19 Ib. Package Includes 2X Optical Mouse System Requirements Plug and Play for Windows98ME2000XP(X64)2003(X64)MCE2005Vista X86&X64 Features *2X optical mouse *Patent 2xButton-No more Double Click. Just One Click on “2X Button” Straightly Access Files and Programs Easily. Save Time and Improve Efficiency.(No Driver Needed!)

Package Contents: 2.4G wireless keyboard (GL-5) 2.4G wireless PLADLESS MOUSE (G7-300N) Multi-link receiver (Red) USB extension cable 2 AAA alkaline batteries for keyboard 2 AAA alkaline batteries for mouse

This new generation of “Holeless Engine” mice have a completely closed bottom, without any sensor opening. This prevents dust and liquids from entering and compromising the pinpoint precision. Brief Specification Package contents: DustFree HD mouse D-300 Size: 120mm*63mm*36.5mm Weight:109g System Requirements Windows 2000 XP 2003 Vista Windows 7

Package contents: DustFree mousez D-530FX Size:110mm*60mm*35.5mm Weight:115g System Requirements • Windows 2000 XP 2003 Vista Windows 7

Features * 5-color TutorPen: Draw coloured lines to mark the objects * LaserPointer: Highlight the key points by the built-in laser pointer * AirPad: Use the mouse on the go * 10-Link receiver: Allows linking of up to 5 sets of mice&KBs * Just one click switches between 5 working modes: MeetingOfficeTeachingPresenterHTPCMultimediaGaming * Just one click opens files: Open a file or launch a program by a single click * Setting information: Shows currently chosen settings at any time * Ultra far wireless 20 meters: Selectable between 15 and 20 meters * RF signal indication: Helps to find the optimal location * Channel-lock setting: Set a specific channel to avoid RF interference * No-lag technology: Provides the smoothest cursor motion * Selectable report rate: 125 250 500 Hz for office, drawing or gaming applications * Custom resolution: 5 levels adjustable between 100-2000 DPI in each mode * 48K onboard memory: Saves settings in the receiver * Power-saving management: Sleeping time and wake-up settings, Automatic power-off after PC is turned off, Low battery warning * 16-in-One: 16 programmable functions in one button * 4-way wheel: Smart vertical and horizontal scrolling

Product Features • Built-in rechargeable Lithium battery: Never change batteries again! • Charging Status Indicator Low Battery Power Indicator • Operating Range Up to 15 Meters • Multi-Link receiver connects Up to 3 Sets KBsMice • DPI button: 5 adjustable 800-1000-1200-1600-2000 DPI • The "Office Shuttle Key" Can be Defined as Various Value-Added Functions, such as: Screen Capture, TutorPen, 16-in-One, Multimedia, Internet, etc. Specification • Model: G11-570HX • Color: Black • Button No: 7 • Transmission: 2.4G • Wireless range: 15m • Net weight: 77g

A4-G7-360 No lag 2.4G wireless mouse No-lag technology provides the smoothest cursor motion Nano receiver and storage slot for easy carry Features No-lag technology: provides the smoothest cursor motion 15 m operating range: operating range up to 15 meters (Note: the actual distance depends on the environment) RF signal indication: helps to find the optimal location Channel-lock setting: set a specific channel to avoid RF interference Battery status indication: low battery warning 2 report rate levels: 125 250 Hz for office, drawing or gaming applications Adjustable resolution: 800-1000-1200-1600 DPI 8-in-One: 8 gestures to perform selectable hotkey commands 4-way wheel: smart vertical and horizontal scrolling Easy carry: Nano receiver storage: receiver can be stored inside the mouse Package Contents Wireless mouse Nano receiver 1 AA alkaline battery CD (software, user manual) User guide

Package contents: Wireless mouse Multi-link receiver 1 AAA alkaline battery CD (software, user manual) User guide Travel pouch Product Dimension: Mouse: 80(L) x 54.8(W) x 31.8(H) mm

A4-G9-110H-1 DustFree 2.4G wireless mouse The Revolutionary Holeless Engine This new generation of “Holeless Engine” mice have a completely closed bottom, without any sensor opening. This prevents dust and liquids from entering and compromising the pinpoint precision. This innovative new sensor technology boosts up image contrast and filters out all undesired scattered light. The results, a dramatically increased pointer precision and prolonged mouse lifetime

Wireless Exquisite smooth design, Adds personality and fun to your desktop - GlassRun Full Speed Mouse at 2.4G - 30% Power Saving, Works even on slightly dusty glass - Full speed transmission Up to 500 Hz report rate for office, drawing or gaming applications - High definition Up to 2000 DPI Selectable, Incredibly smooth cursor movement - 16-in-One: 16 gestures to perform selectable hotkey commands (by software) - 4-way wheel, Smart vertical and horizontal scrolling (by software) - Multi-Link Receiver for G3, G5, G7 and G9. All-in-One design. - RF signal Indicator - Selectable Report Rate - Maximum 15 Meter Operating Range

A4-G9-500F-1: V-Track Wireless mouse Innovative V-Track sensor technology No more mouse pads! Finally a mouse that really works on every surface The best mouse ever! Features "Innovative V-Track sensor technology: Utilizes vertical light to track even the most uneven surfaces Throw away your mouse pads! Tracks smoothly and accurately on any surface, including fur carpets Works on glass, marble, carpets, and uneven surfaces like your couch and even furry textiles! Tiny optic sensor aperture: lower power consumption and less dust accumulation 4-way-wheel: scroll both horizontal and vertical 16-in-1 Gesture software: trigger software events by making mouse gestures on the screen Powers off automatically for longer battery life Specifications 4-button optic 2.0 wireless mouse Resolution: 800-2000 DPI (adjustable) Report rate: 125250500 Hz (adjustable) Operating distance: 15 m Power consumption: 1.5V 20mA Battery: 1X AA Battery Dimensions: 105x67x38 mm Net weight: 58 g (81 g with battery) Package Contents Wireless mouse Multi-link receiver 1 AA alkaline battery

A4-G9-530HX-2 DustFree HD 2.4G wireless mouse, 5 buttons, black The Revolutionary Holeless Engine This new generation of “Holeless Engine” mice have a completely closed bottom, without any sensor opening. This prevents dust and liquids from entering and compromising the pinpoint precision. This innovative new sensor technology boosts up image contrast and filters out all undesired scattered light. The results, a dramatically increased pointer precision and prolonged mouse lifetime. Features Innovative hidden sensor Keeps dust and liquids out Guaranteed precision, always! No lag Low power consumption Multi-link Nano receiver Screen capture 500 Hz smoothness 4 way wheel Power-saving 5 DPI shift 15 m working range TutorPen RF signal indication Channel-lock setting Specifications Resolution: 800 - 2000 DPI Report rate (by software): 125250500 Hz Power consumption: 1.5 VDC up to 20 mA Dimensions: 110.5 x 59 x 35.8 mm Net weight: 91 g including battery Package Contents Mouse Software CD AA battery

A4-G9-557HX 2.4G No Lag Wireless DustFree HD Mouse Features The Revolutionary Ghost Engine: this new generation of “Ghost Engine” mice have a completely closed bottom, without any sensor opening. This prevents dust and liquids from entering and compromising the pinpoint precision. This innovative new sensor technology boosts up image contrast and filters out all undesired scattered light. The results, a dramatically increased pointer precision and prolonged mouse lifetime. Shuttle-key Mouse Software: consists of various value-added functions, such as: Screen capture, TutorPen, 16-in-One, 4-way wheel, multi-link management, DPIreport rate select, and more. The best software for your every need. Download: www.a4tech.comg9 Package Contents DustFree mouse Multi-link Nano receiver (Red) AA alkaline battery*1

Package contents: Wireless mouse Multi-link receiver 1 AA alkaline battery CD (software, user manual) User guide Travel pouch Product Dimensions: Mouse: 101.5 x 63.5 x 39.5mm (L x W x H) System Requirements Windows 2000 XP 2003 Vista Windows 7

Features - Quality Internet iChat Headphone delivers a full rich sound - Soft foam ear-pads - Noise canceling microphone helps eliminate background noise - Handy in-line volume and microphone volume controller - Foldaway Design is Convenient to Carry and Go. - Earphone Hook Included, Convenient and practical for you to hang your headset up when you do not use it. Specifications Driver Units: 30 mm Frequency Response: 20 Hz ~ 20 kHz Impedance: 32 ohms Microphone Sensitivity: -58db±db Sound Pressure(1khz0db) 94dB±3dB Cord & Strap Length: 2 meters Input Plug: 3.5 mm stereo Outer Box Dimension 20pcs2.34cuftctn

Specifications .Speaker: 40 mm .Frequency range: 20 Hz-20 kHz .Impedance: 32 Ohm .Speaker Sensitivity: 102 dB .MIC sensitivity: -50 dB .Cable length: 2 m Package Contents: HS-19 headset

Features Comfort Fit Stereo Headphone Microphone In-Line Design Volume Control In-Line---Quickly Access Headset Volume Control Sleek Behind-the-Neck Design---Ultra-Light Weight for Powerful Sound and Comfortable Listening on the Move. Earphone Hook Included---Convenient and Practical for you to Hang your Headset up when you do not use it. Specifications Driver Units: 30 mm Frequency Response: 20 Hz ~ 20 kHz Impedance: 32 ohms Microphone Sensitivity: -58db±db Sound Sensitivity 97dB10mW3mm Cord & Strap Length: 1.8 meters Input Plug: 3.5 mm stereo Outer Box Dimension 20pcs1.91cuftctn

Features Comfort Fit Stereo Backphone Microphone In-Line Design Volume Control In-Line---Quickly Access Headset Volume Control Sleek Behind-the-Neck Design---Ultra-Light Weight for Powerful Sound and Comfortable Listening on the Move. Earphone Hook Included---Convenient and Practical for you to Hang your Headset up when you do not use it. Specifications Driver Units: 30 mm Frequency Response: 20 Hz ~ 20 kHz Impedance: 32 ohms Microphone Sensitivity: -58db±db Sound Sensitivity 97dB10mW3mm Cord & Strap Length: 1.8 meters Input Plug: 3.5 mm stereo Outer Box Dimension 20pcs1.91cuftc

Brief Specification Headphone Specifications Frequency response: 20Hz-20KHz Impedance: 32ohm Sensitivity: 97dB10mW3mm 1mWJack pulg:OD3.5mm stereoCable Length: 2m Features *Internal Headset *Earphone Hook Included---Convenient and practical for you to hang your headset up when you do not use it. *Sleek Behind-the-Neck Design---Ultra-Light Weight for Powerful Sound and Comfortable Listening on the Move.

Features - Quality Internet Comfort-fit Headset delivers a full rich sound - Soft foam ear-pads - Noise canceling microphone helps eliminate background noise - Handy in-line volume and microphone volume controller - Included 2 sets Changeable ear-Cushion to Swap for Winter and Summer Usage. - Changeable Earmuffs Maximize Comfort in Winter and Summer - Removable Covers, Washable as well. Built with Durable Lightweight Material Specifications Driver Units: 30 mm Frequency Response: 20 Hz ~ 20 kHz Impedance: 32 ohms Microphone Sensitivity: -58db±db Sound Sensitivity 97dB10mW3mm Cord & Strap Length: 2 meters Input Plug: 3.5 mm stereo Outer Box Dimension 20pcs4.54cuftctn

Features - Quality Internet Headphone delivers a full rich sound - Soft foam ear-pads - Noise canceling microphone helps eliminate background noise - Volume and Microphone Switch In-Line, Quick Access to Headset Volume Control and Microphone - Easy Adjustable Headband Ensures Optimum Fit and Comfort. - Light Weight for Powerful Sound and Comfortable Listening on the Move. - Earphone Hook Included, Convenient and practical for you to hang your headset up when you do not use it. Specifications Driver Units: 30 mm Frequency Response: 20 Hz ~ 20 kHz Impedance: 32 ohms Microphone: Omni directional Sensitivity: 97dB10mW3mm Cord & Strap Length: 2 meters Input Plug: 3.5 mm stereo Outer Box Dimension 20pcs3.27cuftctn

A4-N-100-1 Padless mouse, runs anywhere without a pad Innovative V-Track technology utilizes vertical light which goes deep into the details of all surfaces. Guaranteed smooth and accurate tracking anywhere, even on furry textiles. Throw away your mouse pad! Features V-Track works padless anywhere V-Track works on uneven surface V-Track works on marble V-Track works on slightly-dust glass V-Track works on furs V-Track works in the bed

Brief Specification Still image & video: Up to 5 Megapixel, 2560x2048 (software interpolated) Image sensor: 16"CMOS, 640x480 pixels Frame rate: 30fps@160x120, @320x240, @640x480 Lens: F=2.4, f=3.5 mm View angle: 60 degrees Focus range: Automatic focus, 10 cm to infinity Exposure control: Automatic White balance: Automatic Computer interface: USB 2.0 Package contents Web camera CD (software, user manual) User guide System Requirements PC with Pentium 800 MHz or above 256 MB RAM or above At least 165 MB of free hard disk space Windows XP, Vista, Windows 7, Mac OS 10.4.8 and above

Brief Specification Product Dimension:Fuselage+Clip: 1.34(L)x0.9(W)x5.3(H) in.Product Weight: 0.25 Ib.Package Weight: 0.57 Ib. Image Sensor:CMOS640x480, 350K Pixels Lens Specification:View Angle 54degrees Focus Range:10cm to infinity Product Dimension:Fuselage: 2.95L x 2.95W x 5.33H in. SystemRequirementsPersonalComputer,Laptop,Desktop,or IBM Compatible Computer with Pentium 166MHz minimum Outbox Dimension20pcsc 3.26cuftctn Features *Built-in MIC Ensures everyone can take part in the conversation. *Sliding Cover for Lens Protection *Flexible Pivoting Tube Hold preferred position for capturing image! No direction restriction! *Snapshot Button

Brief Specification Still Image Capture Resolution Up to 8 Mega pixel 3200x2400 (software enhanced) Highest Video Resolution Up to 1660x1200 pixels(software enhanced) Image Sensor 15" CMOS640x480 Pixels Frame Rate 30fps at VGA Mode Lens F=2.4,f=3.0mm View Angle 55degrees Focus Distance Automatic focus,10cm to infinity Exposure Control Automatic Microphone for WebCam Built-in Microphone Flicker Control 50Hz,60Hz and None Computer Port Standard USB 2.0,1.1 Port Package Contents Web Camera CD(User Manual,Software and Driver) Quick Setup Guide System Requirements PC with Pentium 800MHz or above 256MB main memory or above 32MB Video RAM or above Available USB Port Sound Card 165MB of free hard disk space or above CD-ROM drive Windows XP,Vista,Windows 7 Mac Computer Hardware Requirements: G4,G5,iMAC or iBook Processor Mac OS 10.4.8 and later Note:Enclosed image editing software does not support Mac. Outbox Dimension

Anti-glare coating: avoids reflections and generates vivid images in perfect color Superior low-light performance: provides the best image quality in low-light conditions Intelligent multisampling: delivers fluent video transmission with no aliasing and no lag Resolution up to 16 Megapixel: still image resolution up to 16 Megapixel by software interpolated" Plug-and-Play Video: start making video calls without installing any drivers on Windows XP Vista Windows 7 Mac OS X v10.4.8 and above Built-in microphone: picks up sound from any direction with remarkable clarity Magic effects: customize your personalized style Specifications Still image: up to 16 Megapixel, 4608x3456 (software interpolated) Image sensor: 16?CMOS, 640?480 pixels Frame rate: max 30fps Lens: F=2.4, f=3.5 mm Viewing angle: 60 degrees Focus range: automatic focus, 10 cm to infinity Exposure control: automatic White balance: automatic Microphone: built-in Computer interface: USB 2.0

A4-PK-720G Anti-glare WebCam Anti-glare coating: avoids reflections and generates vivid images in perfect color Superior low-light performance: provides the best image quality in low-light conditions Intelligent multisampling: delivers fluent video transmission with no aliasing and no lag Resolution up to 16 Megapixel: still image resolution up to 16 Megapixel by software interpolated Bulit-in Mic: picks up sound from any direction with remarkable clarity Magic effects: customize your personalized style Lens protection: sliding cover for lens protection Universal mounting clamp: suitable for LCD monitor, laptop or desktop Specifications Image sensor: 16?CMOS, 640?480 pixels Still image: up to 16 Megapixel, 4608x3456(software interpolated) Frame rate: 30fps@160x120, @320x240, @640x480 Lens: F=2.4, f=3.5 mm Viewing angle: 54 degrees Focus range: automatic focus, 10 cm to infinity White balance: automatic Exposure control: automatic Microphone: bulit-in Interface: USB 2.0 Package Contents WebCam CD(software, user manual) User guide

Product Features *Live Messenger 5M WebCam - Make Live Video Calls to Friends and Family! *High Image Quality and Zero Lag Time - Video resolution up to 5.0M pixels interpolated image* and at 30 frames per second. *12 Lighting LEDs -Turns your night into daytime! Night Vision Adjusts the Color of the Image to the Light Color even in Darkness *Capture any view at any angle with the Flexible Pivoting Tube to hold the preferred position for capturing image. *Easily fixed and absorbed in any smooth surface for enhancing stability. *Automatic Image Centering---No matter where the camera is positioned on the monitor, your image will appear centered in the screen. *Automatically Adjust Image Quality---Ensures perfect picture every time. Automatic exposure control and white balance adjustment. Focus range from 10cm to infinity. Brief Specification Package Includes:Viewcam with VGA sensor and built-in microphone CD (User Manual on CD)Quick Set up Guide Specification Image Sensor: 14"CMOS, 640x480 Pixels Frame Rate: 30fps@320x240,@160x120, 15fps@640x480, @800x600 Lens: F=2.2, f=4.6 mm View Angle: 65 degree Focus Range: 10cm to infinity Exposure Control: Automatic White Balance: Automatic mage Capture Res:(Installing Driver) 2560x2048, 1600x1280, 2000x1600, 1280x1024, 1280x960, 1024x760, 800x600, 640x460, 352x288, 320x240, 176x144, 160x120 Microphone for WebCam: Built-in Microphone Flicker Control: 50Hz, 60Hz and None Interface: USB 2.0 Port System Requirements: . PC with Pentium 166MHz or above . 32MB Video RAM or above . Available USB Port . Sound Card . 165MB of free hard disk space or above . CD-ROM drive . Windows XP Vista and later Mac Computer Hardware Requirements: . G4 or G5 or iMAC or iBook Processor . Mac OS 10.4.10 and later

Anti-glare coating Avoids reflections and generates vivid images in perfect color Superior low-light performance Provides the best image quality in low-light conditions Intelligent multisampling Delivers fluent video transmission with no aliasing and no lag Resolution up to 16 Megapixel Still image resolution up to 16 Megapixel by software interpolated Plug-and-Play Video Start making video calls without installing any drivers on Windows XP Vista Windows 7 Mac OS X v10.4.8 and above Built-in microphone Picks up sound from any direction with remarkable clarity Magic effects Customize your personalized style Universal mounting clamp Fits perfectly on every monitor, laptop or desktop System Requirements Package contents: PK-750G WebCam CD (software, user manual) User guide System requirements: PC with Pentium 800 MHz or above

A4-PK-770G Anti-glare WebCam 8 Megapixel still image (software interpolated) Flat foldable - ideal for travelling Features 8 Megapixel still image (software interpolated) 5 Megapixel video (software interpolated) Omni-directional microphone built-in USB 2.0 true Plug & Play, no driver required Flat foldable, removable cable - ideal for travelling Lens protection cover Can be fixed on LCD monitor, laptop or desktop Image editing software "VP-EYE" included Specifications Image sensor: 15" CMOS, 640?480 pixels Video resolution: Up to 5 Megapixel, 2560x2048 (software interpolated) Still image resolution: Up to 8 Megapixel, 3200x2400 (software interpolated) Frame rate: 30fps@160x120, @320x240, @640x480 Focus range: Automatic focus, 10 cm to infinity Exposure control: Automatic Lens: F=2.4, f=3.0 mm View angle: 66 degrees White balance: Automatic Microphone: Built-in Interface: USB 2.0 Package Contents Web camera Removable cable CD (software, user manual) User guide

A4-PK-810G-Anti-glare WebCam Resolution up to 16 Megapixel (software interpolated) Anti-glare coating and Intelligent multisampling Features Anti-glare coating: avoids disturbing reflections and generates vivid images in perfect color Superior low-light performance: provides the best possible image quality in low-light conditions Intelligent multisampling: delivers fluent video transmission with no aliasing and no lag Resolution up to 16 Megapixel: high definition up to 16 Megapixel (software interpolated) Full speed USB 2.0: USB 2.0 true Plug & Play, no driver required Magic effects: customize your personalized style 360degrees flexible pivoting tube: flexible pivoting tube allows 360 degrees rotation Specifications Still image & video: up to 16 Megapixel, 4608x3456 (software interpolated) Image sensor: 16?CMOS, 640?480 pixels Frame rate: 30fps@160x120, @320x240, @640x480 Lens: F=2.4, f=3.5 mm View angle: 54 degrees Focus range: automatic focus, 10 cm to infinity Exposure control: automatic White balance: automatic Microphone: bulit-in Computer interface: USB 2.0 Package Contents Web camera CD (software, user manual) User guide

Specifications Still image:Up to 16 Megapixel (software interpolated) Image sensor:16?CMOS, 640x480 pixels Frame rate:max 30fps Lens:F=2.4, f=3.0 mm View angle:54 degrees Focus range:Automatic focus, 10 cm to infinity Exposure control:Automatic White balance:Automatic Microphone:Built-in Computer interface:USB 2.0 Package contents: WebCam CD (software, user manual) User guide System Requirements PC with Pentium 800 MHz or above 256 MB RAM or above At least 165 MB of free hard disk space Windows XP, Vista, Windows 7, Mac OS X v10.4.8 and above

Brief Specification Still image:Up to 16 Megapixel, 4608x3456 (software interpolated) Image sensor:16"CMOS, 640x480 pixels Frame rate:30fps@160x120, @320x240, @640x480 Lens:F=2.4, f=3.5 mm View angle:54 degrees Focus range:Automatic focus, 10 cm to infinity Exposure control:Automatic White balance:Automatic Microphone:Built-in Computer interface:USB 2.0 Package contents: WebCam CD (software, user manual) User guide System Requirements PC with Pentium 800 MHz or above 256 MB RAM or above At least 165 MB of free hard disk space Windows XP, Vista, Windows 7, Mac OS X v10.4.8 and above

Key Feature: No lag technology - Provides the smoothest cursor motion during game play - 20 m operating range Adjustable between 15 and 20 meters - Far operating range setting provides best RF quality - Super-Combo7 - Custom macros with 7 fully programmable buttons; - Perform stunts to win the games effortlessly 5 modes selection - Set up custom macros for your games in each mode 160 K onboard memory - Stores custom macros into the receiver. Perform them at any time even no Oscar software is needed 2 ms response, 4X more smoothly - Designed with?extreme fast report rate up to 500 Hz Oscar classic macros platform It is highly recommended to always use the most recent driver version available.

Brief Specification Speaker: 30 mm Frequency range: 20 Hz-20 kHz Sensitivity: 102 dB Impedance: 32 ohm Mic sensitivity: -58 dB Cable length: 1.8 m System Requirements Windows 2000 XP 2003 Vista Windows 7

A4-T-500-2 A4-T-500-2 Personalise-Me Headset, grey Express your personality changing the headset design Inline volume control with MIC mute Features Changeable earshell patterns: express your personality making your headset unique Omni-directional microphone built-in: picks up sound from any direction with remarkable clarity Inline volume control with MIC mute: control volume and mute microphone from a distance Adjustable headband: light weight and adjustable headband for optimum fit and long-term comfort 40 mm high performance driver unit: superior NDFeB magnet driver unit for stunning clarity and a bass impact you can feel Specifications Speaker: 40 mm Frequency range: 20 Hz-20 kHz Impedance: 32 Ohm Sensitivity: 102 dB Cable length: 2 m Package Contents Heads

Tracking Method: Optical Products Status: Stock Brand Name: A4tech Style: 3D,With Fingerprint System Type: 2.4Ghz Wireless Hand Orientation: Both Hands Interface Type: USB Application: Desktop,Laptop Model Number: XG-760(esws10414) DPI: 3200DPI Wireless technology: 2.4GHz System supporting: Windows 2000, XP, VISTA, WIN7, Mac and Linux color: black wireless distance: 10 meters Features: Product Name: A4tech XG-760 Wireless distance: 15 meters Battery Type: Battery No. 5 Wireless technology: 2.4GHz Work: Photoelectric Key number: 6 Optical Resolution: 3200DPI Wheel: 1 Ergonomics: Supports XG-760, right handed users for the asymmetric design, comfortable to use. Mouse at the top of a plastic block using fine grinding treatment, to prevent slipping hands sweat, the left side with grip design for easy grip by the thumb, right under the flow on the lower right hand side and the unknown better care of the little finger. Left and right mouse button with integrated design, and the superstructure is connected, the key area is adequate, feel comfortable, feel the crisp, button slightly downward toward the right. Wheel with rubber apron, with non-slip stripes, size, location are more reasonable, a sense of rolling a certain stage, there is little promise in the bond stiff. Five preset modes mouse DPI, can be precisely defined the scope of each model selection 100DPI to 3200DPI. Mouse to the left there is a thumb grip, the surface smooth design, the right is a smooth design.