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
