Features: 1. The wireless mouse is connected via a USB receiver . The longest sensing distance of wireless transmission can reach 10 meters . 2. The mute button and rubber rollers provide a quiet environment whether you are in an office or a quiet library. 3. Ergonomic design , comfortable to hold and use. 4. Lightweight and portable , it is very convenient to carry. 5. It is a perfect companion for laptops in the home or office. Rechargeable version: Remove the receiver, insert it into the USB port of the computer, turn on the switch at the bottom of the mouse close to the receiver, wait a few seconds, the mouse will emit colorful lights and breathing light, which means the connection is successful. (If you encounter problems, you can replug the receiver and switch the mouse again until the connection is successful) Notice: Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Description: Product name: wireless mouse Material: ABS DPI: 1000-1200-1600 Wireless transmission distance: 0-10m Battery: Rechargeable battery (included) Wireless transmission frequency: 2.4GHz Function: wireless, rechargeable, ergonomic Dimensions (approximately): 11 cm x 6 cm x 2.5 cm Weight: 70+/-3g Lighting effect: colorful glow Power supply mode: USB charging Include: choice 1: 1 x wireless mouse , 1 x charging cable, 1 x manual choice 2: 1 x wireless mouse, 1 x manual(battery not included)