Original Huawei FreeBuds 4 T0004 Bluetooth 5.2 Active Noise Reduction True Wireless Bluetooth Earphone(Silver)

1. Bluetooth version: 5.2 2. Charging time: about 60 minutes 3. Battery capacity: earphone 30mAh, charging compartment: 410mAh 4. Music time: 4 hours (noise reduction off), 2.5 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. 14.3mm wide-range sounding unit 9. Touch operation, easy to use 10. Support two devices to connect at the same time 11. Support wireless HD recording 12. Through the audio connection center of the Smart Life APP, you can manage the devices connected to the headset, and you can also quickly switch between multiple devices through the APP 13. Charging box diameter: 58mm; earphone size: 41.4x18.5x16.8mm 14. Weight: earphones: 4.1g; charging box: 38g (without earphones)