Speed Class Rating: Class 10 Features: MicroSD card bundled with an ultra-compact USB reader MicroSDHC10 Flash Card - Fully compatible with SD 3.0 Standards - Class 10 compliant - A minimum read/write speed of 10MB/s - Easy to use, plug-and-play operation - Built-in Error Correcting Code (ECC) to detect and correct transfer errors - Allows In System Programming (ISP) for updating firmware - Supports auto-standby, power-off and sleep modes - RoHS compliant P3 Card Reader - Fully Compliant with the Hi-Speed USB 2.0 specification - Supports the direct input of Memory Card: microSD - Hi-Speed Data transfer rates up to 480Mb/s - USB powered (no external power or battery needed) - Card reader: Two-year Warranty