Product description Color: white 1.[BEST COMPATIBLE BLUETOOTH 4.0 CHIP]: Compatible with more than 99.8% Bluetooth devices. This bluetooth mouse is suitable for all laptops with bluetooth function or ipad iPhone with iOS13 or above 2.[AUTO ENERGYSAVINGSLEEPING MODE]: Lipolymer batteries,high cycle life.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. 3.[BUILTIN BATTERY]: Builtin battery,easy to charge by micro usb cable,no more need for extra AAA battery.please please keep the mouse power switch in “ON” position when charging . 4.[ERGONOMIC DESIGN]? Good surface coating technology given you a skinlike touch feeling. Userfriendly design provide allday comfort for work and entertainment, portable and pocketsized perfect for travel, Mute design keeps away annoying
