ZEALOT-S51Pro 40W High-power Bluetooth Speaker 3D

Battery capacity: 4000mAh
Bluetooth version: 5.2
Speaker: 40W
Transmission distance: 10m
Frequency response: 20Hz-20KHz
Signal to noise ratio: ≥ 85dB
Working voltage: 7.4V
Distortion:<1%
Charging voltage: DC5V
Charging interface: type-c
TF card playback: 2.5-3.5h
Standby time: ≥ 30 days
Charging time: 5-6H