Wide Compatibility: Compatible with Windows, iPad / iPhone(iOS 13.1.2 and later version), Mac OS X (not for Mac OS 10.13.3 and Mojave system), Android and Linux. Macbook, Tablet, Lenovo, Asus, HP, Surface, etc. .if you use wireless mouse on iPad/iPhone, please upgrade IOS to 13 or higher. If you do not know how to connect the iPad, Please refer to the product description or email us. Bluetooth Connection: This bluetooth wireless mouse adapt bluetooth 4.0, easy to pair and connect quickly. No more other port or receiver needed, just open bluetooth on device and connect it, connection automatically every time when open your computer (I recommend disconnecting other Bluetooth devices before connecting the mouse) Rechargeable Silent Mouse: The button click is barely audible, this quiet wireless mouse will reduce the noise up to 90% . Built in lithium-ion battery, one time fully 2 4 hours charge - work on 3 4 weeks. (The mouse enters sleep mode after five minutes, and then you hav