... /M2,etc, you need only one card reader 2.little,light,elegantly casing USB2.0 All-in-1 multi-function card reader 1 ... interface:maximum transfer speed could reach 480 MB/S (b) All-in-1 multi-function:support memory card:SD/SDHC/DV/T ... :with your card in card reader,protect your card from damage. 3.products photo (4) sample room USB2.0 All-in-1 multi ...