Light and Ultra-Thin: Slim and light design. Made of ABSandPC material, it doesn't occupy USB port when used. The lightweight and portable design is the first choice for travel Low Decibel Mouse Keys: Low decibel left and right mouse buttons, suitable for libraries, conference rooms, coffee shops and other occasions Energy Saving and Environment-friendly: The mouse has its own power switch. If you do not use it temporarily, you can turn it off to save power. Lithium polymer battery, the power is 1.85WH, can be charged more than hundred time (Battery NOT included) Easy to Connect: Suitable for all versions of Bluetooth device, The furthest connection distance can reach 10 meters, you only need to pair it with your device at the first time you use it, and when you use it second time, you just need to clicking the left or right mouse button Wide Compatible: Works with Bluetooth-enabled computers running Windows XP, VISTA, 7, 8 and 10. Don't support iPad Bluetooth connection (for iPad all series)