... cards can be used as sd cards with a sd adapter.Functionit is mainly used for cellphone,GPS,Music player,memory ... .7~3.6V7,Working temperature: 0 centigrade to 60 centigrade8,Storage temperature: -20centigrade to 85centigrade9,Applications:cellphone,gps and digital products with ... cards,sdhc,sdxc,CF cards and etc,please feel free to contact me if you are interest in any of them ...