1. Bluetooth version: V5.3
2. Transmission distance: about 10 meters
3. Language: switchable between English and Chinese
4. Frequency range: 20-20KHz
5. Sensitivity: 85dB
6. Impedance: 32 ohms
7. Battery capacity: 100mAh
8. Charging time: about 1h
9. Use time: about 10h
10. Charging interface: USB
11. Waterproof rating: IPX5
12. Weight: about 3g

Features:
1. Digital display power, clear power usage at any time
2. Graphene diaphragm, HIFI-level sound quality
3. Exquisite and compact, easy to store and carry
4. Double audio decoding, audio and picture synchronization, no sense of delay
5. Lightweight and comfortable to wear in the ear
6. Can be individually paired connection, two headphones can be used with two ears
7. Intelligent touch control, easy to operate