1. Material: plastic
2. Communication distance: 10m
3. Bluetooth version: 5.4
4. Charging port: Type-C
5. Audio encoding: AAC, SBC
6. Headphone charging time: about 60 minutes
7. Charging time of charging box: about 120 minutes
8. Waterproof level: IP54
9. 3 active noise reduction modes, two microphones work together
10. 12.4mm dynamic driver, dual-device smart connection