Huawei Freebuds 4 Headphones Bluetooth 5.2 Hongkong distributor
Spread name：HUAWEI FreeBuds 4
Sensor：Microphone sensor, wear detection sensor.
Charging time：Charging the earphones in the box: about 60 minutes; wired charging in the empty box: about 60 minutes
battery capacity：Earphone: 30 mAh; Charging box: 410mAh
Earphone: 30 mAh; Charging box: 410mAh：Full earphones, listening to music: 4 hours (noise reduction off), 2.5 hours (noise reduction on); with charging box, listening to music: 22 hours (noise reduction off)
Xiaomi ecosystem and mobile hongkong distributor