1. Bluetooth version: V5.3
2. Call distance: about 10 meters
3. Battery capacity: earphone 50mAh, charging 300mAh
4. Charging port: Type-C/USB-C
5. Charging voltage: 5V
6. Talking time: about 10H
7. Play music: about 8H
8. Material: ABS
9. Speaker diameter: 12MM
10. Speaker impedance: 32 ohms
11. Speaker diaphragm: PET
12. Call sensitivity: 42dB
13. Earphone distortion: 1K/5%
14. Magnet type: chintie boron N40
15. Charging compartment size: about 6.5 x 4.4 x 4cm
16. Weight: about 62g

Features:
1. Ear clip design, wear stable and not fall off, no need to go into the ear, not pick the size of the ear
2. HIFI-level sound quality, high-frequency translucent, mid-frequency delicate, low-frequency thick
3. Double noise reduction, sponge fidget technology, automatic identification of human voice and noise, improve clarity
4. Master-slave switching, can be used in any single ear
5. Bluetooth 5.3 chip, signal stability, data transmission response quickly, anti-interference is stronger
6. Multi-process design, tight waterproof, running sweat, rain are not afraid of
7. Sensitive buttons, convenient operation