HOPESTAR A40 80W Outdoor Portable Wireless Bluetooth Speaker(Grey)

1. Main control: AC6921A
2. Bluetooth version: 5.0
3. Total power: 80W
4. Battery working time: 6-8h
5. Voltage: DC 7.4V
6. Battery capacity: 12000mAh
7. Separation: about 90dB
8. Signal-to-noise ratio: about 80dB
9. Input sensitivity: 400mV
10. Output woofer: 50W
11. Tweeter: 15Wx2
12. Subwoofer size: 119mm
13. Waterproof and dustproof, suitable for harsh environments
14. Support microphone volume and microphone reverberation master volume adjustment to listen to pure sound