Retekess Case of 2 Transmitters and 10 Receivers, TT105,Wireless Tour Guide System,Two-Way Multichannel Translation System,Assistive Listening System for Church,Teaching,Factory

* FCC certified. FCC ID:2AAR8TT105; Expandable;single TT105 main transmitter can match countless TT105 receivers of the same model; Note:one main transmitter can only be paired with one vice transmitter for two-way conversation * One-key channel synchronization; your team doesn’t need to be paired one by one; just one step of the transmitter can make all transmitters and receivers on the same channel;easy operation saves time * Wireless tour guide system; global public use signal transmission stability; make your call more private * 50 select-able channels;multichannel receiver lets you to add additional language speakers or have multiple groups and an LCD screen that makes it easier to select among them * Long working time & operating range;the working time of this wireless audio transmitter and receiver is up to 10~12hrs,so as to adapt to various occasions;operating range is up to 492ft(in open area), ideal for communication in large scene