Automatic connection after switching, stable connection with a working distance of up to 10 meters. The Bluetooth wireless mouse's silent design ensures clicks are quiet, reducing 80% compared to traditional computer mice. Our rechargeable Bluetooth mouse has a built-in battery that can be charged via a USB cable. The ergonomic style and soft, right-handed design provides your hand with good support for lasting comfort. 6 efficient keys. Bluetooth 3.0 mode works with Win 7/Win 8/Win 10/Android/Mac OS system. Bluetooth 5.0 mode works with Win 8/Win 10/Android/Mac OS systems. Upgraded Bluetooth 5.0/Bluetooth 4.0/USB 2.4G wireless mouse realized the ideal of one mouse to control three devices, which provides more convenience for people who use multiple devices. Whether it's a Mac, Windows, Chrome OS, Android tablet, or switching between them, the mouse works flawless. Charging information: The blue light on the steering wheel is always on when charging, and the light turns off when the battery is full. The charging time is approx. 3 hours. Low voltage indicator: When the red light on the mouse wheel flashes, it indicates that the voltage is lowered and needs to be charged in time. System Requirements 2.4G wireless mode: Win XP / WIN7 / WIN8 / WIN10 or above Bluetooth 4.0 mode: Win XP / WIN7 / WIN8 / WIN10, Mac, Chrome OS, Android system Bluetooth 5.0 mode: WIN8/WIN10, Mac, Chrome OS, Android system (Bluetooth 5.0 does not support Win 7/XP) Note: IOS (iPad / iPhone) is supported but must be IOS 10.3 or later. How do I connect to Bluetooth mode? Turn the power switch to Bluetooth mode Bluetooth 5.0 mode: (green light flashes slowly); Bluetooth 4.0 mode: (blue light flashes slowly) Press the Bluetooth pairing button for about three seconds. The power indicator will flash (Bluetooth 5.0: Green; Bluetooth 4.0: Blue) to indicate the mouse is in pairing mode. Search your devices for BT5.0 Mouse_Pro" or "BT4.0 Mouse" and then click "Match". The indicator light will turn off after pairing and the mouse can be used normally. "