F-EYE 13000 mAh Dual USB output power bank is a far superior and exclusive quality power bank that is itself very unique in its gorgeous looks and class. This stylish F-EYE battery charger apart from being the beautiful looking and a premium standard gadget, also gives the best and advanced charging performance as well. With its dual USB output ports that fast charges, any combination of devices at an impressive top speed of 2.1A, this F-EYE power bank also offers high charging efficiency. When it comes to recharging the power bank itself, the 2A input technology, it's equipped with makes recharging twice as fast as other 1A input ordinary chargers. The very attractive black-green combination, soft-touch silicone rubber finish ABS+PC shell case offers non-slip feel with great comfort. It is made using high quality materials that make it a durable and long lasting power bank. The design given to this model is unique and sophisticated. The row of 4-LEDs light up on command to tell you how much of the 13000 mAh capacity remains. This best power bank features Li-ion battery for a powerful output and 7 safety measures that makes it a very trustworthy gadget and one that will last you many years to come.