Card reader as USB flash disk USB charger with led instruction Data transmissionStrong function for combination of data transmission, charging, LED instruction and fanciful hang.Unique appearance, which is compatible with connectors of most mobile-phones on the marketHigh-speed and stable data transmission(comply with USB2.0 standard and compatibility 1.1 agreement) and good compatibility.Inside there is card-reader function, which can be used as memorizerGranted by several national patents, and its traditional mobile-phones accessories of updated product.