Retekess TT116 Tour Guide System, Simultaneous Interpretation System, 625ft Working Distance, Noise Reduction Function, Translation Equipment for Court(2 Transmitter 20 Receivers Charge Station)

Communicating distance; working distance of the transmission system is 200m/656ft in open area; you don't need to worry out of the range
Noise reduction; the transmission system supports noise reduction mode; you can use it in a noisy environment; no worry about not hearing about the sound
Detachable battery; the wireless tour guide system built in detachable and rechargeable lithium battery, it is easy to replace thebattery; ensuring your full day use
Easy to use; transmitter and receiver can be used by manually adjusting to the same frequency; with earphone for better listening environment very easy operation
External audio input; the tour guide system can use transmitter with the original microphone; or other headset microphone or handheld microphone; it also supports external audio input; such as MP3; smartphone