Rechargeable X8 Wireless Silent LED Backlit USB Optical Ergonomic Gaming Mouse Features: in Box It comes with the Breathing Blacklit Led. Buttons: Silent The Latest Wireless Technology Latest Rechargeable Technology , Compact Design and Measurable Weight Fashion Cool Wrangler Battletech Style. Shift Key Strong Acceleration: 15G AutoFire Keys Cool Optical Carving High Precision Positioning Super Wide Roller Non Slip Gel Slim Design Foot Feet The Built in Weight Ultra-precise Scroll Wheel New Version: High Resolution: 1800DPI Customize DPI Switch: 800/1600/2400dpi. Integrated 3 Level Full Auto Key Setting True 2400DPI Avago Pro-Gmaing Sensor Ergonomic Hybrid Shape Power: Lithium Batteries (Included) Duration of charging: 2-3 hours Ultra-quite and Low-friction Resolution adjustable in driverless-free drive Size: 138 x 38 x 80mm Switch Life: 10 million cycle 32-bit ultra-wide data path 4000FPS frames per second (32 megapixels per second) Zero-acoustic Ultraslick Teflon feet Special Edition for Gaming Ergonomic Both-handed design Buttons: 6 buttons with scroll wheel (Two Side-Buttons, One DPI Key) Most suitable for Laptop user and PC user Optical technology works on most surfaces Intelligent connectivity. no need to code, plug and play Built-weight iron, feel comfortable, mobile and stability Compatible with Windows XP, Vista, Win 7, Win 8, ME,2000 and Mac OS...or latest Mouse Weight: about 125g Color available: Black and White Package Included: 1 x Wireless Gaming Mouse (With Retail Box) 1 x Nano Receiver 1 x Charging Cable Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.