1. Bluetooth version: 5.2 2. Communication distance: 10 meters 3. Talk/music time: about 5 hours 4. Battery capacity of charging compartment: 600mAh 5. aptX adaptive code can automatically adjust performance according to different scenarios, bringing more vivid music and smoother games 6. Any earphone can be used as the host, using two-way communication technology 7. 12mm large-size sounding unit to achieve the balance of bass, midrange and treble 8. Intelligent noise reduction, bringing a clear call experience 9. Ergonomic design, comfortable to wear 10. Small size and easy to carry