Zectron 32GB Micro SDHC-UHS-1 Memory Card for BLU Studio 6.0 HD D650 32GB Micro UHS-1 Class 10 Ultra Speed SDHC Memory Card with addaptor to convert the micro to a normal SDHC so ideal for phones, camera and computer 5 Year warranty Data is not lost when power is turned off In our tests these cards show a sustained read speed above 90mb/s All Cards shipped with Tracking Number for a trouble free serivice