... many functions Keyboar Keyboard Remote Controlkeyboard,Tracking ball mouse,infrared remote control 3 in 1,wireless keyboard and mouse,remote control.2. ... device, can replace the remote control for TV, computer keyboard and mouse. Products Specification: Size:175mm×65mm×20mm. Weight: 180 ... hours. Standby current: 0.1mA,When the keyboard and the tracking ball mouse are inactive over 8 minutes, the product ...