Hi,my dear customer, welcome to Jacenvly, our products are cheap and good quality, price is fair, you can't miss it. Please click on our store, we have many kinds of products, there will be you like and suits you. If you have any questions about your purchase, please feel free to contact me. We provide world-class customer service and try our best to safeguard your consumption rights, so that you can have no worries about your purchase. I wish you can buy the most cost-effective goods you like. 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 , 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 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 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, plug & play Built-weight iron, feel comfortable, mobile and stability 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 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