☢For MAC & Code: The mouse has been completely upgraded, and you do not need to enter the code. If a window prompts, click "OK" directly ,the system has entered the code by default. If you enter the code, the connection will fail. Click 'ok' directly .Charging cable included. Lifetime technical and service support. | ☢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) | ☢With 3 Adjustable DPI: DPI800/1200/1600, you are able to change the DPI according to your different demands. 1000 is office mouse territory. This bluetooth mouse using the high performance optical chips, which will work faster and more precision than the traditional mouse. You are able to get your work more efficient and save your time, ideal Mouse for office, home and leisure. | ☢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 have to reconnect every time? - No ，Please do not use the power saving mode, You need to allow the device to be wake up.) The mouse's battery may be exhausted due to long-term transportation,Please charge the mouse after received