Automatic pairing and manual pairing: Retekess T130 church translation system features a one-button automatic pairing function; which is easy to set up and allows all receivers to synchronize with the transmitter's channel within 5 seconds; you don't have to spend time manually syncing each receiver

The wireless mic is used as a general headset mic; or remove the head bracket; a handheld microphone; the headset mic low interference;high signal stability;short audio delay; provides clear;high fidelity stereo sound; very suitable for teachers and speech

Charging case can charge for 2pcs Retekess T130 transmitters and 30pcs Retekess T130 receivers at the same time;aluminum alloy; durable and fire resistant; equipped with a dedicated key to improve security and anti-theft; note; remove the white sponge when charging

Long communication distance; Retekess TT126 two way tour guide system transmission distance of the wireless communication system is about 280m/919ft in open air; make sure you are in barrier-free transmission environment

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