Silent Clicking: The Bluetooth mouse is silent when clicking, and the mouse wheel is silent when scrolling. Ideal mouse for office, home, and leisure. Ergonomic and comfortable grip. Rechargeable: The mouse comes with a USB cable for charging, which you can also use while charging. When the battery is almost empty, the cursor will be inaccurate and Bluetooth will disconnect. The mouse battery may be depleted due to long-term transportation. Please charge the mouse after receiving it. Super Compatibility: Compatible with Windows, iPad/iPhone, Mac OS X, and Android. Portable and Easy to Use: Lightweight mouse, small to control, easy to store in a laptop bag, perfect for home office. With 3 adjustable DPI levels (800-1200-1600 DPI), you can freely control the mouse speed, and its shape allows it to be used by both left and right-handed users.