1. Material: ABS+silica gel
2. Power: about 5W
3. Input: 5V/1A
4. Battery capacity: 900mAh
5. Charging time: about 1h50min
6. Usage time: about 2-5h
7. Bluetooth version: V5.2
8. Transmission distance: about 8m
9. Speaker specifications: 40mm
10. Call: support, anti-interference MIC
11. Frequency response range: 20Hz-20KHz
12. Signal-to-noise ratio: about 90dB
13. Supports network interconnection of two speakers to experience spatial surround
14. 360-degree surround sound, high-definition lossless sound quality