4000 mAh portable charger with A-grade Li-Po battery that can recharge from a USB port. Recharges most devices on the market between 80%-100%. Packed in white box with 3 in 1 connector cable. Can be charged up to 300 times. 12 month limited technology warranty. Colours Available: Silver, Black. Materials: Aluminium Case. Item Size: Power Bank: 132 x 67 x 9mm (LxHxD). Box: 160 x 70 x 20mm (LxHxD).