1. Wireless Standard: 5.1
2. Transmission distance: 10 meters
3. Output power: 10W
4. Playing time: 4-6 hours
5. Frequency effect: 80Hz-15KHz
6. Waterproof grade: IPX7 waterproof
7. Speaker: 57mm, 10W
8. Input power: 5V=1A
9. Battery type: 18650 lithium ion battery 2400mAh
10. Audio signal input interface: standard 3.5mm headphone jack(stereo)