ZEALOT B28 Folding Headband Bluetooth Stereo Music Headset with Display (Dark Green)

1. Wired + wireless dual-use intelligent noise reduction clear calls 2. Using LCD display function Bluetooth 5.0 stable signal connection 3. Fully wrapped earmuffs design airtight no leakage anti-protein leather material comfortable and breathable to wear 4. Environmentally friendly rubber head beam light and flexible flexible 5. Adopting folding structure design easy to store and easy to carry 6. Battery capacity: 500mAh 7. Speaker: 32 Euro x2 8. Charging voltage: 5V 9. Bluetooth version: V5.0 10. Transmission distance: 10M 11. Working voltage: 3.7V 12. Frequency response: 20Hz-20KHz 13. Signal to noise ratio: 85~100db 14. Talk time: 8h 15. Playing time: 10h 16. Charging time: 2.5h