1. Bluetooth version: 4.2
2. Battery: 3.7V/850mAh
3. Charging input: DC 5V/0.5A
4. Charging time: about 1.5 hours
5. Use time: about 4 hours
6. Interface: USB Type-c
7. Multi-function button, 3D stepless knob, easy to operate
8. Pure vocal recording, highly restored music playback
9. Voice prompt plus three-color indicator light, intuitive judgment status
10. Material: ABS+PC
11. Size: 54x200mm