Regular price $7.70 Sale
Working voltage: battery 3.2-4.2v
Working capacity: 1200mAh
Charging voltage: DC 5V / 1-2a
Charging time: about 3 hours
Broadcast time: about 5 hours
Output power: 40 5W
Frequency response: 20Hz-20KHz
SNR: SNR: ≥ 90dB
