Zealot S37 Bluetooth Speakers 40W Output Power Wireless Sound Box Stereo Subwoofer Outdoor Waterproof Music Player Column
Battery capacity: 3000mah*4
Bluetooth version: 5.0
Speaker: 20w*2
Transmission distance: about 10m
Frequency response: 100Hz-20KHz
Signal to noise ratio: ≥75dB
Working voltage: 3.7V
Distortion: <1%
Charging voltage: DC5V
Charging port: Micro USB
Talk time: about 8h
TF card playback: 10-12H
Standby time: ≥90 days
Charging time: 6-10H
Microphone
Packing size:297*128*132mm
Weight: 1.4kg