... no external power supply required, USB bus powered11. Provide OEM service, logo printing, data preload, auto run, customized ... programming etc12. Certification: CE, ROHS, FCC13. OEM / Customer Logo available GeneralProduct TypeMicro SD cardStorage Capacity64MB-32GBWidth0. ... Temperature-13 °FMax Operating Temperature185 °F promotional 2GB real capacity micro SD card,micro SD memory card