1. Material: PC 2. Bluetooth version: 5.3 3. Horn diameter: 13mm 4. Bluetooth connection distance: about 12m 5. Speaker frequency range: 20HZ-20KHZ 6. Headphone battery capacity: 35mAh 7. Continuous talk time: about 3h 8. Continuous playback time: about 7h 9. Headphone charging time: about 1.5h 10. Charging compartment battery capacity: 400mAh 11. Charging time of the charging box: about 2h 12. Charging compartment input: 5V 13. Battery life: about 31 hours 14. Bluetooth 5.3 core upgrade, sensitive fingerprint touch 15. 13mm large dynamic coil, good sound quality can be heard 16. Open the cover and connect immediately, 12 meters fast pairing
