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 | Widely used; teaching; tour guide; lectures; meetings; karaoke; fans singing and so on purpose; easily pairs to all kinds of FM supported devices such as speakers; amplifiers; FM radio and car audio systems | TR503 FM headset mic comes with an ABS body; smooth touch and stable structure, strong and durable | The microphone has clear sound quality which maintains the original sound
⚠️ WARNING (California Proposition 65): This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, please visit www.P65Warnings.ca.gov.
