1.multi-function card reader For sd/SDHC/micro sd/mini sd/M2,etc, you need only one card reader 2.little,light,elegantly casing USB2.0 ... All-in-1 multi-function card reader ... hot plug(c)DC-5V (USB port),Maximum current-500mA(d)Data protect:with your card in card reader,protect your card from damage. 3.products ...