2020 new private wireless card Bluetooth speaker mini mini audio retro mobile phone stand audio boom

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