(CERTIFIED REFURBISHED) Logitech B170 Wireless Mouse (Black)
Easy instant pairing, USB is inside the mouse, Note: please open the mouse lower part as stated on picture in below description.
10-meter reliable 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.