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)
Time 11-16days
Weight: 130g
Types: 1 drag 1, 1 drag 2