Toshiba microSDHC card; Capacity: 16GB; Type: Ultra Fast microSDHC UHS-I card; UHS Speed Class: Speed Class 1 (U1); Bulk for Toshiba Corporations (main unit only, no external package); About handling high capacity flash memory: If you insert the microSDHC card into a non-SDHC compliant product, the data inside the microSDHC card will be damaged.In addition, the data in the microSDHC card may be corrupted regardless of the operation.DO NOT PUT IN.If you handle large files (4GB or greater), please check the file system for file capacity limitations.FAT32:1 file maximum capacity 4GB, can not store files over 4GB.exFAT: Not compatible with older devices.Holds up to 2TB of 1 file, 4GB or more filesIn order to recover corrupted microSD card, 1) If the stored data is destroyed and reuse the microSDHC card, it is necessary to insert the SDHC compliant device to initiate the microSDHC card.Data at rest will be deleted.Data does not be restored.2) If the microSDHC card is inserted into a non-SDHC compliant product, the formware of the microSDHC card may be damaged even after initialization is performed.When testing the speed, please measure the USB 3.0 and UHS-I compatible card reader on a PC equipped with USB 3.0 interface.In order to achieve high speed UHS-I performance, not only the card side, but also the host (computer, camera, card reader, etc.) must be UHS-I compatible.Therefore, you need a device equipped with USB 3.0 and a card reader that supports USB 3.0/UHS for speed measurement of the high-speed SD card.Otherwise, the cards will not be able to generate their original speed.