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Battery capacity:4400mAh lithium battery
Bluetooth version:5.0
Speaker: 5W*2
Transmission distance: about 10m
Frequency response: 100Hz-20KHz
Signal to noise ratio: =90dB
Working voltage: 3.7V
Distortion: <1%
Charging voltage: DC5V
Charging port: Micro USB
Talk time: about 8h
Music playback: about 8h
Standby time: =30 days
Charging time: about 2.5h