Mini Wireless Keyboard 2.4G with Touchpad Handheld Keyboard for PC Android TV Wholesale Specification : Connection: RF 2.4G wireless connection Power supply: 1.5V 3A battery 2 (Optional 400mA/800mA lithium battery)(Not included) Operating voltage: 3.3V Wireless Transmit Power: 2dBm Receiver sensitivity:-85dBm Color:Black Touch pad: about48x38 mm Dimensions: Approx.146 x 98 x 19 mm Weight: 118 g Package weight:138 g