Battery capacity of earbuds : 35mAh x 2 Battery capacity of charging case : 400mAh Standby time : 150h Play music/talking time : About 3-4h Battery life of charging case : About 20h Charging time : 1-2h
Dimension
Size of earbuds : 39x16.3x18mm Size of charging case : 69.5x56.5x27.8mm