HOPESTAR A40 80W Outdoor Portable Wireless Bluetooth Speaker1. 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

one is dedicated for charging

Directional delivery can be realized

real-time transcription of recording (script is recorded at the same time) real-time Chinese-English translation (simultaneous interpretation)

surface polishing and chrome plating

Professional troubleshooting and protection measures

Power input7-36V

One Package Size 40

Video Formats: RM/RMVB/AVI/MKV/WMV/MP4/VOB

Inner texture design

2 x 14 x 5

avoid any safety accident caused by careless storage

Camera: 32MP front camera + 48MP rear camera