5-in-1 USB 2.0 SD/MMC Dongle Card Reader/Writer (Black) 5-in-1 USB 2.0 SD/MMC Card Reader/Writer General Features: USB 2.0 interface (USB 1.1 compliant) Supports5 types of memory cards Reads and writes to flash cards LED indicator light Bus powered Plug and Play Compact design Supported Memory Cards: SD MMC Mini SD RS MMC T-Flash Unit Dimension 0.25 x 1.25 x 3-inches (H x W x L approximate)