Product Name： Lenovo Touch Remote ControlProduct Function： TV remote control, with an empty rat somatosensory function, one-way voice transmission function, touch functionProduct Size： Length * Width * Height 136.0mm*40.0mm*14.0mm Product Features： Very unique styling, ingenious design, the classic red and black colors, special key definition, a very meaningful remote control design productsUsing Scene： With the use of TV, according to customer-defined to match customer needsSpecifications： Operating voltage range：2.7~4.95VDC Power supply：3*AAA Transmit power：>-20dbmRemote control transmission protocol：BLE 4.0 Center frequency：2.44GHzModulation frequency：2.402GHZ~2.483GHZ Offset：±2KHz（use of specialized testing software testing） Static standby current：<40uA Key operating current：<10mA Touch operating current：<10mA Air Mouse operating current：<15mA Voice control operating current：<27mA Number Of Keys：3Battery Type：AAA batteryProduct Type： AV AccessoriesR