1. Material: 92% nylon + 8% spandex 2. Headband technology: seamless knitting 3. Bluetooth version: 5.3 4. Battery capacity: 200mAh 5. Charging time: about 2h 6. Play time: about 8 hours 7. Standby time: about 10 days 8. Effective distance: 10m 9. Speaker: high-fidelity dynamic speaker 10. Dual microphone call noise reduction, air conduction technology 11. Stable and comfortable to wear, you can unlock your sports status at will 12. The size can be adjusted as desired, catering to various head shapes. 13. IPX5 waterproof, skin-friendly and sweat-absorbent 14. New version of Bluetooth chip, fast connection, stable transmission and lower delay
