Long transmission distance; The transmission distance of 30m (98ft) in the open air; Easy to use for school; speech; training; conference etc
Sensitive microphone; 15 levels of transmit volume adjustable; only a portable headset FM transmitter; cannot connect to the device via Bluetooth
Built-in lithium battery; The TR503 FM transmitter built-in 450mAh lithium battery
show frequency; simply pair the FM microphone to the speaker with the same frequency and you are ready to go
Lightweight and easy to wear; The TR503 FM transmitter only 50g; easy to wear and operate
Fast charging; type-c charging jack; charging time for 2-3h working time for about 8h; using for long time after charging fully
FM condenser microphone headset; for easily pairs to all kinds of FM supported devices such as speakers; megaphones; amplifiers; FM radio and car audio systems