1. Material: ABS, silicone
2. Speaker diaphragm: PET
3. Headphone distortion degree: 1K/5%
4. Speaker diameter: 10mm
5. Call sensitivity: about 42dB
6. Speaker impedance: 32 ohms
7. Headset battery capacity: 75mh
8. Charging port: Type-C
9. Charging time: about 2H
10. Use time: about 10-15H
11. Bluetooth version: 5.0
12. Connection distance: about 10M
13. Charging voltage: 5V
14. Frequency response range: 20Hz-20z

Features:
1. 10mm dynamic drive unit, HiFi sound quality
2. Directional sound transmission technology, built-in leak-proof cartridge to protect privacy
3. Left and right ear free conversion wear, to meet the use of demand
4. Life waterproof, sealed design, with nano-waterproof treatment
5. Intelligent touch operation
6. Lightweight and non-sensitive, comfortable and firm to wear