🦕For Mac and Code: mouse is fully upgraded, you don’t need to enter code. If you see a window, click OK directly, it means the system has entered the code by default. If you enter the code, the connection will fail. Click “OK” directly. Charging cable included. Provide lifetime technical support and service. 🐸Wide Compatibility: compatible with Windows, iPad/iPhone (iOS 13.1.2 and later), Mac OS X (NOT for Mac 10.13.3 and Mohave system), Android and Linux. MacBook, Tablet, Lenovo, ASUS, HP, Surface, etc. .If you use wireless mouse with iPad/iPhone, please upgrade IOS to 13 or above. If you don’t know how to connect an iPad, please refer to the product description or email us. 🐸Bluetooth Connection:This wireless Bluetooth mouse adapts to Bluetooth 4.0, easy to pair and connect quickly. No more ports or other receiver needed, just open the Bluetooth on the device and connect it, connect automatically every time when you open your computer(I recommend disconnecting other Bluetooth devices before connecting the mouse) 🦕With 3 adjustable DPI:800DPI/1200/1600, you can change DPI according to your different requirements. 1000 is the area of the desk mouse. This Bluetooth mouse uses high-performance optical chips, which will work faster and more accurately than traditional mouse. You are able to make your work more efficient and save your time, perfect mouse for office, home and entertainment. 🐸Rechargeable Silent Mouse: clicking the button is barely audible, this quiet wireless mouse will reduce noise by up to 90%. Comes with built-in Li-ion battery, one full charge for 2 to 4 hours – working for 3 to 4 weeks. (The mouse goes into sleep mode after five minutes, then you have to reconnect every time? – No, please do not use the power saving mode, you need to let the device wake up.) The mouse may run out of battery due to long-term transportation, please charge the mouse after receiving it