1.20000mah capacity 2.CE /ROHS certificate 3.Double USB output 4.Black&White colors 5.Recycling times more ... Blackberry,Sony, MP3,MP4,GPS,Digital items.High capacity20000mAh, the original imported ATL cell ,long lifespan,recharging for over 500 times ... input and output ,automatically identify mobile type and charging intelligently. Double USB Output 20000mah Capacity Portable Self-help Mobile Power