Wireless Lavalier Microphone J3 Three in One Interface

Bluetooth version 5.1

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

Signal to noise ratio ≥ 60dB

Frequency response range 20Hz-20KHz

Rated power 1

Rated voltage 3.7

Appearance size 110 * 100 * 36mm

Product Material: ABS