Rechargeable X8 Wireless Silent LED Backlit USB Optical Ergonomic Gaming Mouse Features: New in Box It comes with the Breathing Blacklit Led. Buttons: Silent The Latest Wireless Technology Latest Rechargeable Technology High Quality, Compact Design and Measurable Weight Fashion Cool Battletech Style. Key Strong Acceleration: 15G AutoFire Keys Cool Optical Carving High Precision Positioning Super Wide Roller Non Slip Gel Slim Design High Quality 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 Shape Power: Lithium Batteries (Included) Duration of charging: 2-3 hours Ultra-quite and Low-friction Resolution in driverless-free drive Size: 138*38*80mm Life: 10 million cycle 32-bit ultra-wide data 4000FPS frames per second (32 megapixels per second) Zero-acoustic Ultraslick feet Special Edition for Gaming Ergonomic Both-handed design Buttons: 6 buttons with scroll wheel (Two Side-Buttons, DPI Key) Most suitable for Laptop user and PC user Optical technology works on most surfaces Intelligent connectivity. no need to code, plug & play Built-weight iron, feel comfortable, mobile and stability Compatible with Windows XP,, Win 7, Win 8, ME,2000 and...or latest Mouse Weight: about 125g Color available: Black & White Package Included: 1 x Wireless Gaming Mouse (With Retail Box) 1 x Receiver 1 x Charging Cable