Assistive listening device has a wide working range; transmission distance is about 50-60 meters (164-197ft); the receivers can hear the clear voice from the transmitter; you can also adjust the volume of the receiver freely when listening

Translation headphones for church has one way audio transmission function; you only need to use your own AUX cable to connect the transmitter and some external media devices; such as church listening system; mobile phone; church sound system; computer; iPad; etc

Retekess TT126 2 way communication system range of 280m/919ft; allowing participants to move freely within this range without losing connection; In factory environments; participants explore different areas of the factory; without missing any information or instructions

USB Powered Devices: can charge for up to 16 receivers or transmitters simultaneously; overcharge protection charges safely; LED Indicator; the led indicator lets you know the power is active while does not cause bright light in the dark

Adjustable microphone gain;the microphone gain of Retekess TT126 tour guide system with two way audio can be adjusted from 1 to 7 levels; during a factory tour; noise levels can vary from one area to another; and the adjustable microphone gain ensures that everyone on your team hears clearly