... low, good quality and b 2.4G wireless optical MouseFirst ,the product descriptionThe 2.4G cordless products ... in the work mode, if not detected, the receiver, Mouse will automatically turn off Sensor, into more ... excess 2 minutes have not yet detected, the receiver, Mouse into shutdown mode.General situation: 1 AA ... according to system (resolution 1000/1600) e. forward by the system f. After the shift by ...