Wireless Hanging Neck Long Battery Life Sports Binaural Bluetooth Headset(Red OPP Bag)

1. Bluetooth version: 5.22. Waterproof grade: IPX53. Frequency response range: 50Hz-20KHz4. Speaker impedance: 32ohm5. Battery capacity: 280mAh6. Continuous play time: 8 hours7. Charging time: 2 hours8. Standby time: 300 hours9. The magnetic design of the headphone head does not wrap around for easy storage, and it is light and fashionable to wear and is not easy to lose10. The neck hanging is made of liquid silicone material, which is elastic and smooth like a baby's skin, warm and comfortable, and can be bent at will11. Life-level waterproof, all-round protection, no harm to the earphones even if sweating profusely, anti-stain erosion, long-lasting durability, no fear of sweat and rain12. 5.2 Bluetooth chip, more stable transmission, easier connection, smoother calls and music13. Ergonomic design, the golden ratio is superimposed three times, firmly worn and comfortable in the ear14. Multi-function buttons to easily control music and make calls15. Audio and video synchronization, zero delay in wireless audio transmission16. Bio-diaphragm, three-dimensional surround subwoofer, high-efficiency Bluetooth transmission efficiency, richer details and layered experience