Features
1. CD-level sound quality, intelligent noise reduction, high-definition calls
2. Double moving coil speaker, high fidelity
3. IPX4 waterproof, can be used for daily life and fitness
4. Mini and easy to carry, ergonomic design, comfortable to wear.
5. Long endurance, support Type-C fast charge
6. LED real-time power display.

Parameters
1. Bluetooth version: V5.0
2. Transmission distance: 8-10 meters
3. Frequency response range: 20Hz-20KHz
4. Speaker: 6mm
5. Impedance: 16 ohms
6. Microphone sensitivity: -42dB +/- 3dB
7. Signal to noise ratio: >=70dB
8. Distortion: <=5%
9. Charging port: Type-C
10. Single earphone power: 40mAh
11. Charging case power: 320mAh

Packing list:
- Earphone x 1 pair
- Charging box x 1
- Charging cable x 1
- Manual x 1