1. Bluetooth version: 5.0
2. Interface: USB
3. Power: 4 ohms 3 watts
4. Battery capacity: 1200mAh
5. Charging requirements: DC 5V 1-2A
6. Support TF card: within 32G
7. Support Bluetooth, TF card, play music, hands-free call
8. Support connecting to mobile phones, TVs, and computers to log in to multiple device speakers
9. Two speakers can be connected at the same time
10. Size: 115x77x110mm