... sd/M2,etc, you need only one card reader 2.little,light,elegantly casing USB2.0 All ... -in-1 multi-function card reader 1.features (a) USB2.0 interface:maximum ... capacity limited:you only need to insert your various card into it 2.external support (a)system:Windows® ... port),Maximum current-500mA(d)Data protect:with your card in card reader,protect your card from damage. 3.products photo ( ...