Upgraded Features Charging and Power Indicators - Built-in 700mAh large capacity rechargeable Li-polymer battery that can be used for months on a single charge. This wireless computer mouse is equipped with 3 power indicator lights, innovative design can clearly display the power, say goodbye to power outageSilent click: The left and right buttons of the notebook mouse are suitable for using the mouse in public places, such as the library, dormitory, office, etc. Except for the blue light indicator when charging and turning off when fully charged, this design results in worry-free disturbing others Tri-mode connection: Bluetooth 5.0/4.0 and 2.4G USB connection. You can switch to any mode by clicking the mode switch button located at the bottom of the mouse. The indicators for Bluetooth 5.0, Bluetooth 4.0 and 2.4G USB are green, blue and red respectively. After completing the Bluetooth pairing or inserting the USB, you can freely switch between modes, and the maximum operating distance of each mode is 10 meters Ergonomic Design and 3 DPI: The Bluetooth mouse is designed for right-handed users for the best feel. Six efficient buttons and three adjustable dpi levels (1000/1200/1600) give you the freedom to control mouse speedIt is compatible with Windows 8/10/XP, vista and mac os systems. At the same time, Bluetooth 5.0 is compatible with windows 8/10 (does not support windows 7 or XP), Android, Mac OS systems; 2.4G USB connection mode supports any device that supports USB, just plug in the USB receiver.