FCC certified. FCC ID:2AAR8T130; Transmitter and receivers of the tour guide system uses a built-in rechargeable lithium battery; which has a large battery capacity and does not need to replace a large number of dry batteries when the consumption
Church translation system has a wide working range; as long as it does not exceed 164 ft/50 m; the receivers can hear the clear voice from the transmitter; you can also adjust the volume of the receiver freely when listening
Wireless tour guide system has 99 IDs; allowing up to 99 groups to work simultaneously in the same room; can be used for simultaneous interpretation in multiple languages; add up to countless receivers depending on the number and scene required
TT123 Charge and Work; up to 164ft stable wireless connection at open area; built-in 400mAh rechargeable lithium battery; transmitter and receiver can be fully charged within 2-3h and be used for 6-8h
2.4G Wireless Mic; TT123 wireless microphone headset adopts global universal 2.4 GHz transmission; connect automatically within 3.2ft