Input:5V--550mAh Earphones battery capacity: 35mAhx2 Charging bay·Battery capacity: 300mAhMade in P.R.C 25G Packaging dimensions: 130*130*40mm Carton dimensions: 56*46.2*32.5cm Volume: 0.084m³ Gross weight per carton: 15kg Gross weight per unit: 100g Quantity per carton: 80