Model AirBuds 60 Weight 46g(charging case) / 4.6g*2 (earbuds) Color Black/White Driver 13mm dynamic driver Frequency response range 20 ~20KHZ Bluetooth version BT 5.3 Audio codec SBC/AAC Battery capacity 500mAh Music play time (single full charge) 6 hours(100% volume) Charging time 1.5h (earbuds) / 2h(charging case) Charging port USB Type-C Water resistance IPX4 (earbuds)