H18 Full Touchpad Mini Wireless Keyboard RechargeableModel : H18Receiver(dongle): Nano style Connection port: With USB2.0 or aboveTransmission mode: GFSK 2.4GHz wireless, up to 10 metersTransmission frequency : 2400-2483MHZ(16 channels)Transmission Power : Less than +4bdPower supply: Rechargeab..