Speed Class Rating: Class 10 Features: High-Speed Class Rating - Class 10: 10MB/s minimum data transfer rate Complete - single card solution for multiple devices Multifunctional - when the microSDHC card is combined with the included adapter, it can be used as a full-size SD card with write protection switch or a USB reader to transfer data Compliant - Card: with SD Card Association specification standards. USB Reader: supports microSD/microSDHC Compatible - with microSD Multi-Kit/Mobility Kit is compatible with microSDHC, SDHC, and USB host devices via the adapters Guaranteed - two-year warranty on reader, lifetime warranty on card