1. Bluetooth version: 5.0
2. Frequency response: 20Hz-20kHz
3. Charging interface: Type-C
4. Charging time: about 2 hours
5. Battery capacity: earphone 22mA, charging compartment 410mAh
6. Ergonomic design, comfortable to wear
7. Noise reduction function, bring a clear call experience
8. Dual independent transmission, optimized antenna design, reliable and stable connection
9. 12mm high-sensitivity moving coil drive unit with multi-layer and ultra-thin diaphragm, with high tension characteristics