Battery capacity: 7200mAh lithium battery
Bluetooth version: 5.0
Speaker: 10w*2
Transmission distance: about 10m
Frequency Response: 100Hz-20KHz
Signal-to-noise ratio: 85dB
Working voltage: 3.7V
Distortion: <1%
Charging voltage: DC5V
Charging interface: Micro USB
1. Talking time: about 3.5h
2. TF card playback: 5-6H, U disk playback: 5-5.5H
3. Standby time: 90 days
4. Charging time: 6-10H (different chargers have different specifications)
Battery capacity: 8000MAH
Speaker size: external magnet 75mm*2