... operation.Product Features:•Tiny in size, powerful in function •2.4G Wireless Keyboard & Mouse (Left button, Right button and Middle button) ... entertainment, conference, lecture, presentation etc.1.1 2.4G wireless technology transmission, longest distance up to 15 meters.1.2 ... without background LED.GeneralSINOV-RF-750 conforms to 2.4G wireless RF Conducted Performance· The SINOV-RF-750 shall comply ...