Bluetooth 4.0 connected; Stable and Fast: Built-in sensor, no need to install the smallest driver or software Silent Click: Reduces noise by up to 90%, you won't even hear my computer working, ideal for office Rechargeable Lithium Battery Cable supplied for charging even when charged. When the battery is low, the slider will not be accurate and will disconnect Bluetooth. Super Compatible: Compatible with Windows, iPad/iPhone, Mac OS X, Android and Linux, Macbook, Tablet, Lenovo, Asus, HP, Surface, etc. Portable and Easy Operation: Lightweight, 69g, AE mouse, easy to control, easily packs into a laptop bag, which is perfect for carrying.Common Questions and Answers Q1: Why does Bluetooth connect and then disconnect after a few minutes? 1) Battery low (please charge); 2) Computer hibernation (please set the power mode to "Balance" mode) Q2: Why is the cursor inaccurate? 1) Battery low (please charge), 2) please use mouse pad F3: When connecting to a Mac, the following is displayed: No mouse found. What should you do? Return operation - Press the "connect" button of the mouse again - blue light flashes - click on the mouse logo on Mac - you will find "Bluetooth Mouse 4.0" again - click Next immediately Q4: What should you do if you found 'Bluetooth Mouse 4.0' but can't connect? Please delete 'bluetooth mouse 4.0' - turn off the mouse - turn on the mouse and click the button - blue light blinks - reconnect 'bluetooth mouse 4.0' Q5: The first time the mouse is connected to the 'tablet' and works fine. I want to use it on my 'Laptop' but the mouse doesn't work anymore. (Why) If you want to connect to the laptop, please delete the Bluetooth "Bluetooth mouse 4.0" from the tablet and reconnect.