Live Mobile Phone Noise Reduction Microphone Small Microphone Mini Radio

Product information:

Charging current; 5v 100MA
Charging time: about 1 hour
Battery capacity: 90Mah
Working hours: 10 hours
Connection method: automatic connection after power-on
Transmission distance: 20 meters
Frequency range: 2. 4G

Packing list:

Microphone *1