1. Bluetooth version: 5.2
2. Charging time: Charging the earphones with the box: About 60 minutes; wired charging with the empty box: About 60 minutes
3. Battery capacity: Earphone 30mAh, charging compartment: 410mAh
4. Music playback and call time: Headphones are fully charged, listening to music: 4 hours (noise reduction off), 2.5 hours (noise reduction on); with the charging box, listening to music: 22 hours (noise reduction off), 14 hours (noise reduction on)
5. Semi-open ear design, with good ventilation
6. Ergonomic design, comfortable to wear
7. Adaptive noise reduction, bringing a clear call experience
8. Sensor: Microphone sensor, wear detection sensor
9. Charging box port: Type-C
10. Charging box diameter: 58mm; earphone size: 41.4x18.5x16.8mm
12. Weight: earphones: 4.1g; charging box: 38g (without earphones)