Adopt bluetooth 3.0/5.2 technology, built-in 500mAH A product lithium battery, configuration charging line, like a mobile phone, easy to charge, more scientific, charge and discharge of more than 500 times, the mouse no longer need to buy a battery. size: 113mm x 58mm x23mm weight : 3.2 oz package: Bluetooth mouse x1, USB Charging Cable x1 How to use Bluetooth wireless mouse: Apple Mac MacBook/pro/Air 2012/2013/2014/2015/2016/2017/2018/2019/2022: first, open the mouse switch, open the computer system preferences, open the bluetooth, when the computer Bluetooth display is searching for nearby Bluetooth devices, hold down the mouse button (at the bottom of the mouse small black button) and keep 3 to 8 seconds, and then your computer display the search bluetooth mouse, bluetooth device click on the link, and then the connection is successful Win7/8/10/XP series notebook computer usage instructions: First, open the mouse switch, open the computer settings, open the device Bluetooth function, open add Bluetooth, open Bluetooth, when the computer Bluetooth display is searching for nearby Bluetooth devices, hold down the mouse button (at the bottom of the mouse small black button) and keep 3 to 8 seconds, and then your computer display the search bluetooth mouse, bluetooth device click on the link, and then the connection is successful See more To provide you with quality after-sales service: any quality problems within a month can be directly returned or replaced.It is recommended to use the USB port of the computer to charge the mouse, or use a 5V 1A charger, no larger than 5V 1A. contoured shape, Ultra Thin and lightweight design, smooth surface ensure maximum comfort and support for your hand even after long working hours, The rubber scroll wheel makes sure that your hand will not slip when scrolling,This bluetooth mouse can meet your demand of daily office working and personal preference. It is compatible with Mac OS Windows /Win8/10/and is suitable for desktop/ipad/notebook/Mac Macbook Pro/Air(2017/2018/2019/2020/2021) iMac and other devices. Adopt bluetooth 3.0/5.2 technology,built-in durable 500mAh Lithium polymer rechargeable battery,high cycle life, The charging time is about 1.5-2.5 hours, lasting use time, the Auto Switch Off function will help you save energy as your bluetooth mouse will switch off when your PC is turned off or the receiver is disconnected. If you do not use the mouse for eight minutes, it will go to sleeping mode, you can press the any button to weak it up. energy saving and extremely low power consumption. 3DPI SWITCH:Using high-performance optical chips, up to 1600 dpi(800, 1200, 1600) accurately tracking,to meet different needs.