Shanghai Biancheng Electronic Technology Co., Ltd.
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Simply match the
transmitter device with the
guest's receiver to transmit your
voice directly to the guest.
Through our technology,
all guests can hear clearly.
Customers can enjoy the following product advantages: 
● lightweight, hands-free audio transmitter and receiver
● easy to use and maintain
● user-controlled volume
● multi-channel
● non-interference between tour groups  



One to many transmission

Steady and uninterrupted signal