Bluetooth Microphone

This Bluetooth microphone features an 80mAh battery with about 5–6 hours of working time and a 1-hour charging time for both the mic and case. It has a transmission range of 20–25 meters, operates on 2402–2480MHz, and delivers clear audio with a -38dB sensitivity and 58dB signal-to noise ratio. It uses an electret microphone with a recording range of 100Hz to 10kHz for reliable sound capture.