Features: It is quick and easy to switch between USB 2.4GHz BT4.0 Type-c 2.4G using the buttons. When the indicator light is lit, the green light is type-c 2.4G mode; when the indicator light is red, the light is USB 2.4G mode; when the BT indicator is blue, it is BT4.0 Bluetooth mode. This wireless technology provides a reliable connection within 20 meters without any interference. (The actual range of wireless varies with usage and environmental conditions.) Built-in 3.7V / 300mAH lithium battery, USB port 5V charging. The red indicator light is on when charging, and the indicator light is automatically turned off when fully charged. Low-voltage alarm function, when the battery is low (the built-in lithium battery voltage is lower than 3.4V), the red indicator flashes. The rate of return represents the data transmission speed between the mouse and the computer. The 250Hz high-speed return rate (Bluetooth 125Hz) allows the wireless mouse to have no delay and no skip frame during work, and is smoother in office use. High-precision 1000-1600-240DPI switching ensures fast positioning of objects during use. The mouse is made of ABS eco-friendly plastic for a comfortable touch. Comfortable ergonomic design, full body shape, bulging tail, fit hand, can effectively reduce hand fatigue. Three-mode connection, Bluetooth connection, USB2.4hz wireless receiver, TYPE-C receiver connection. Specification: Material: ABS Color: White / Black / Silver (Optional) Package List: 1 x Mouse 1 x For Android Wire 1 x TYPE-C Line 2 x Receiver 1 x Instruction Manual 1、It is quick and easy to switch between USB 2.4GHz BT4.0 Type-c 2.4G using the buttons. When the indicator light is lit, the green light is type-c 2.4G mode; when the indicator light is red, the light is USB 2.4G mode; when the BT indicator is blue, it is 2、This wireless technology provides a reliable connection within 20 meters without any interference. (The actual range of wireless varies with usage and environmental conditions.) 3、Built-in 3.7V / 300mAH lithium battery, USB port 5V charging. The red indicator light is on when charging, and the indicator light is automatically turned off when fully charged. 4、Low-voltage alarm function, when the battery is low (the built-in lithium battery voltage is lower than 3.4V), the red indicator flashes. 5、The rate of return represents the data transmission speed between the mouse and the computer. The 250Hz high-speed return rate (Bluetooth 125Hz) allows the wireless mouse to have no delay and no skip frame during work, and is smoother in office use.