1. Bluetooth version: 5.3
2. Material: ABS + high-transparency nylon cloth
3. Frequency response: 2.4GHz-2.48GHz
4. Battery capacity: 4000mAh
5. Standby time: about 30h
6. Charging time: about 4h
7. Charging interface: Type-C
8. Playback time: about 6h
9. Playback function: Bluetooth playback, TF card playback
10. Input: 5V/1A
11. Rated power: 20W
12. IPX67 waterproof and dustproof design, universal for home office and outdoor camping
13. Built-in microphone, free calls, colorful light effects, rhythm with music
14. TWS interconnection double surround stereo sound, cinema-level experience