2.4G wireless optical Mouse 1. 2.4 G cordless mouse ... cost low, good quality and b 2.4G wireless optical MouseFirst ,the product descriptionThe 2.4G cordless products, ... Mouse in the work mode, if not detected, the receiver, Mouse will automatically turn off Sensor, into more energy- ... the excess 2 minutes have not yet detected, the receiver, Mouse into shutdown mode.General situation: 1 AA batteries ...