Opluz USB 3.0 Universal Memory Card Reader (OPM188) 2 Media Slots Memory Card Reader --- Support SDXC up to 2TB, SDHC, SD, MMC, RS-MMC, Micro SDXC, Micro SD, Micro SDHC Card, Mini SD and UHS-I Cards. Build-in Card Cover Design --- It's conveniet for you to store the Micro SD cards inside the memory card reader, and don't need to worry about losing the cards. Backward Compatible with 2.0/1.1 --- Supper speed USB 3.0 enables data transfer rates of up to 5Gbps for faster sync times, backward compatible with 2.0/1.1. Auto Detect Memory Card --- Plug and play; Support SDXC up to 2TB, SD V3.0, UHS-I standard, latest Micro SDXC and MMC 4.4. After-sale Service --- Free lifetime technical support and 24-month manufacturer's warranty and Hassle Free Replacement or Money back in 3 months.