1. Material: ABS, electronic components
2. Bluetooth version: 5.3
3. Transmission range: 10 meters
4. Drive unit: 13mm moving coil
5. Frequency response: 20Hz-20KHz
6. Impedance: 32 ohms
7. Battery capacity: charging compartment: 200mAh lithium battery, earphone: 25mAh lithium battery
8. Charging time: about 2 hours
9. Playing time: 4H (headphone) + 20H (charging compartment)
10. Standby time: about 90 days
11. Waterproof grade: IPX4
12. Interface: Type-C/USB-C
13. Net weight: 32 grams