K35 Professional Wireless Lapel Microphone - Noise Reduction Condenser Mic for Recording

Bluetooth version 5.3

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

Signal to noise ratio ≥ 70db

Frequency response range 20Hz-20KHz

Rated voltage 110V

Shell process ABS

Range of 3-6 hours (inclusive)