Wireless lavalier microphone 3-in-1 mobile phone camera sound card AI noise reduction Tiktok live broadcast wireless microphone

Bluetooth version 4.0

Built in battery capacity of 50mAh-100mAh (inclusive)

Signal to noise ratio ≥ 70db

Frequency response range 20Hz-20KHz

Rated voltage 4.2v

Product material: ABS plastic

Receiver: 7.5 * 3.5cm

Microphone: 5.5 * 1.7cm