1. Material: ABS+PC
2. Bluetooth version: V5.3
3. Communication distance: 10 meters
4. Music time: 8 hours (70% volume), 65 hours (with charging case)
5. Headphone battery capacity: 45mAh/0.173Wh
6. Charging case battery: 800mAh/2.96Wh
7. Rated input of headphones: 3.8V-5V 100mA
8. Rated input of charging case: 5V 800mA
9. Charging time: 1.5 hours
10. Charging interface: Type-C
11. Frequency response range: 20Hz-20kHz
12. IPX4 grade sweat and raindrop prevention