Easy instant pairing, USB is inside the mouse, Note: please open the mouse lower part as stated on picture in below description.
2.4G Wireless
20-meter reliable loing distance wireless range
Advanced optical tracking
12-months battery life , Optical light behind the mouse is invisible because this is one of the inbuilt feature of the mouse which is set to save the battery life of the mouse
Universal Compatibility: Windows, Mac OS, Chrome OS
