HONOR Earbuds X3 Lite : Bluetooth version BT 5.3 , Bluetooth codec AAC/SBC Battery capacity 45mAh Typ (earbud) / 500mAh Typ (charging case) ,Charging port USB Type-C Water resistance rating IPX4 Single ear size 33.8mm*17.7mm*15.8mm Dimensions 64.7mm*52.9mm*27mm