1. Bluetooth version: Jerry 5.0
2. Power input: 5V/1A
3. Sensitivity: about 80dB
4. Frequency response: 20-18000Hz
5. Playing time: about 6 hours
6. Charging time: about 1-2 hours
7. Bluetooth 5.2 technology, the connection is more stable and no delay
8. HiFi sound quality, achieving high fidelity and clarity
9. One-button control, easy to use
10. Elastic and flexible design, titanium alloy steel wire material, can adapt to different head shapes