1. Bluetooth version: 5.2
2. Waterproof rating: IP54
3. Frequency response range: 20Hz-20000Hz
4. Charging interface: Type-C
5. Headphone battery capacity: 45mAh, charging compartment battery capacity: 430mAh
6. Charging time: about 110 minutes for the whole machine, about 60 minutes for earphones
7. Battery life: 7.6 hours per time, 27 hours with charging box
8. 12.2mm super large dynamic coil, with bio-carbon fiber composite diaphragm, full sense of low frequency, clear and bright mid and high frequency
9. External dual beamforming microphones can accurately eliminate environmental noise
10. It can be connected to two devices at the same time and switch seamlessly
11. Touch control, easy to use
12. Ergonomic design, comfortable to wear
13. Headphone size: 23.8x22.2x30.2mm, charging box size: 60x24.3x45.4mm
14. Overall weight: about 41.9g, headset weight: about 4.7g