2.4G wireless optical Mouse 1. 2.4 G cordless mouse is good control and sensitive. ... wireless optical MouseFirst ,the product descriptionThe 2.4G cordless products, transmission range of up to 8M, ... button, Mouse side Link_Led flashing. If the Mouse's Link_Led out that the success Dongle with Mouse on the ... code. After the success of the code, Dongle and Mouse can work ...