4.000 mAh slim Power bank

4.000 mAh slim Power bank. 4000mAh aluminium slim power bank with high quality lithium polymer battery. Including on/off button and remaining capacity indicator. Packed in transparent gift box. Output 5V/1, input 5V/800mAh. Including micro USB cable. Product size (cm): 11.0 x 6.8 x 1.0 Material: aluminium/ABS Color: grey/white; blue/white; green/white; red/white; black/white; silver/white