Rechargeable Wireless Mouse: Built-in rechargeable battery, with charging cable. No need to change batteries. (Battery life may vary depending on user and computer conditions.) It is widely compatible with laptops with USB port, compatible with Windows XP, Windows Vista, Win7/8.10, Mac OS system. Super Silent Click: Special noiseless design for right and left buttons, allowing you to concentrate on work or games without disturbing others. Tracking Stable and Accurate: 2.4GHz wireless mouse, up to 10 meters ultra long distance and stable wireless transmission. CPI 800/1200/1600 free switch to meet your needs with high precision. The higher the IPC, the faster the cursor on the screen moves. Power saving: At the bottom have 2 ON/OFF button, the first to control the mouse, below an LED light switch, you can turn off the light at any time to help save battery power. Unique Design: Ergonomic shape and soft touch make it comfortable in your hand. Soothing light turns the mouse on in the