Three modes: Bluetooth 5.0 / 3.0 and 2.4G wireless mouse, three modes, to control three devices, provides more convenience for people using a variety of devices. Automatically connect after switching between Bluetooth 3.0 / 5.0 wireless mode and 2.4G USB mode. Quiet Click: The mute design of the Bluetooth wireless mouse provides low click noise, reducing click noise by 80% compared to traditional computer mice, making it ideal for any occasion that you don't want to disturb others. (Note: Only left and right primary keys support silent clicks). Rechargeable and Power Saving: Our rechargeable bluetooth mouse has a built-in battery that can be recharged via USB cable. Its automatic standby mode and on / off switch save power to ensure intensive use for 30 days, while the battery indicator eliminates annoying surprises. Ultra Slim & Portable Design: The portable wireless Bluetooth mouse can easily be stowed in your bag or pocket so you can have it wherever you need it. Wonderful travel mouse. Great Compatibility: 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 (not with Win7 / XP); 2.4G wireless mode works with any device that has a USB interface, just plug in and play. Product Color: Space Silver 3-mode upgrade BT 5.0 / BT 3.0 / 2.4G wireless mouse - faster, more stable and more adaptable. Whether it's Mac, Windows, Chrome OS, Android tablet, or switch between them, the mouse works well. About charging: Use the computer's 5V / 500mA USB port to charge, the blue light on the wheel is always on when charging, and the light turns off when the battery is full. Charging time is approximately 3 hours. Low voltage indicator: When the red light flashing on the mouse wheel, it indicates that the voltage is reduced and it needs to be charged in time. How to connect to Bluetooth mode? 1. Set the power switch to Bluetooth mode. 2. Bluetooth 5.0 mode: press BT 5.0 mode (green light flashes slowly). Bluetooth 3.0 mode: press BT 3.0 mode (blue light flashes slowly). 3. Press the Bluetooth pairing button for about three seconds, the power indicator flashes (Bluetooth 5.0: green; Bluetooth 3.0: blue), indicating that the mouse is in pairing mode. 4. Turn on laptop bluetooth, search for " BT5.0 Mouse_Pro " or " BT3.0 Mouse ", then click to match. When you are finished, the indicator turns off and the mouse can be used normally. Note: 1. Bluetooth flash pairing time: 3 minutes. 2. The Bluetooth connection time is 5 seconds. System support: 2.4G wireless mode: Win XP / WIN7 / WIN8 / WIN10 or higher. Bluetooth 3.0 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 is not supported, ie iPhone and iPad Bluetooth are not supported.