1. Wireless version: 5.3
2. Transmission distance: 10m
3. Output power: 10W
4. Use time: 4-6 hours
5. Frequency: 80HZ-15KHZ
6. Waterproof grade: IPX6
7. Input power: 5V/1A
8. Battery capacity: 1500mAh
9. Input interface: standard 3.5mm
10. Can be easily submerged in water, suitable for swimming pool, outdoor use
11. Combined with a mono speaker for improved bass performance
12. Hand strap design, easy to carry, can be hung on the backpack