Bluetooth Earbuds 15 Pro > Bluetooth version: 5.0 EDR > Frequency response range: 20-20KHz > Bluetooth distance: 8-15 M > Charging time: 2h > Battery capacity: 30 mAh > Working time: 5-6 h(40% volume) Charging case Battery capacity: 300 Changing mode: USB-C/5w1A Charging the earphones in charging: 4-6 times
