Wireless lavalier microphone 1-to-2 mobile live streaming lavalier microphone 3-in-1 high-definition noise cancelling sound quality

Bluetooth version 5.3Built in battery capacity of 50mAh-100mAh (inclusive)Signal to noise ratio ≥ 95dBFrequency response range 20Hz-20KHzRated voltage 5V=1ARange time 6-8 hours (inclusive)Product Material: ABS