1.Capacity:4000 mAh
2.Unique Touch screen, ultra-thin designed power bank
3.Battery Type: Rechargeable Li-polymer
4.Dual USB output: Input: 5v  -- 1000mA
                               Output: 5v -- 1000mA(max)
5.Measure:175mm x 65mm x 7.5mm
6.Include:8 connectors in all, able to charge devices from Apple, Nokia DC 2.0, PSP, Samsung, Sony Ericsson, Micro USB and MiNi USB
Features:
1.Polymer lithium battery cell power bank
2.0.75cm slimmest Power bank
3.Touch screen to view energy
4.Large capacity for iPhone 4/4S/5 with 2.5 times iPhone battery time
5.Made of high quality stainless steel with the finest Polishing, mirror effect surface
6.With high performance of 85% Power conversion rate and over 500 times cycle life time