Features: Switch Life: 10 million cycle Latest Rechargeable Technology Size: 138*38*80mm Buttons: Silent Resolution adjustable in driverless-free drive Built-weight iron, feel comfortable, mobile and stability New Version: High Resolution: 1800DPI Duration of charging: 2-3 hours High Quality Foot Feet The Latest Wireless Technology The Built in Weight Buttons: 6 buttons with scroll wheel (Two Side-Buttons, One DPI Key) Cool Optical Carving True 2400DPI Avago Pro-Gmaing Sensor Integrated 3 Level Full Auto Key Setting Super Wide Roller Ultra-precise Scroll Wheel Slim Design Shift Key Compatible with Windows XP, Vista, Win 7, Win 8, ME,2000 and Mac OS...or latest High Precision Positioning Ergonomic Both-handed design Strong Acceleration: 15G Customize DPI Switch: 800/1600/2400dpi. 4000FPS frames per second (32 megapixels per second) It comes with the Breathing Blacklit Led. Package Included:1 x Wireless Gaming Mouse