Color: Black The design of the wireless mouse is very compact. It can be easily put in a laptop bag and is very suitable for travel. When not in use, the Nano receiver can be stored on the back of the mouse. Two modes: BT5.1 + 2.4G, you can use the mouse on two computers, one uses bluetooth connection, the other uses USB interface, which makes your life easier. Mute Design: The two buttons are specially designed to be mute when clicked. In order not to disturb others, you can focus on public places like libraries, offices, lounges, canteens, etc. Working distance: 10 meters working distance, 3 adjustable DPI speeds (800-1200-1600 DPI) allows you to freely control the speed of the mouse Rechargeable Design: Our rechargeable mouse has a built-in rechargeable battery that can be charged via USB cable. Its excellent auto-standby technology helps ensure long battery life.