Featuresr comes with one usb cable and 4 connectors30pin micro usb mini usb dc35 universal to meet charging needs of different phones or tablet pcs such as iphone 44s3g3gs ipad 23 samsung nokia etcr built in 5000mah high capacity lithium ion battery for emergency use and charged by solar power or via the mini usb portr built in intelligent control circuit brings multi protection against overcharge overdischarge overload overheating and short circuitr dual usb 20 output w