1. Bluetooth version: V5.0
2. Power supply type: 18650 aluminum polymer battery
3. Rated voltage: 3.7V
4. Battery capacity: 4000MAH
5. Transmission distance: 10 meters
6. Speaker device: internal magnetic horn
7. Rated power: 10W*4
8. Frequency response: 20HZ-20KHZ
9. S/N ratio: 80db
10. Regulator: Five-key operation remote control
11. Input audio source: Bluetooth, HDMI (ARC),optical fiber, coaxial, 3.5MM, U disk, FM
12. Built-in radio: external antenna receiver
13. Audio frequency segment: 87.5-108
14. Relevant certifications: FCC, CE, BQB, ROHS
15. Size: 600*60*54MM (length*width*height)