Airline 99M AH9 Wireless Headset Transmitter with

Thanks to its micro design, the AH9 lithium-ion battery powered transmitter is mounted directly on the QE fitness headset, completely eliminating beltpacks and cables from the setup. In addition to a 300’ operating range, the AH9 offers easily accessible Gain and Mute controls, a battery life LED indicator and 8-hours of rechargeable battery life.