Energy saving: The LED light can be turned off at the bottom light switch - it will also enter auto sleep after 10 minutes of inactivity. LED light: 7 colourful LED lights that change alternately! Stable: Stable wireless transmission distance up to 10m - plug and play with no delay or drop out. Ergonomic: Slim ergonomic design and smooth frosted surface for an easy user experience. Colour options: Choose from 4 mouse colours - black, silver, white or rose. Mouse: Get your hands on a wireless LED mouse. | Wireless LED Mouse - Black | Wowcher