V.TOP UHS-II Dual-Slot USB 3.0 Memory Card Reader/Writer for Photographers and Videographers (SDXC, SDHC, Micro SD, Black) USB 3.0 Memory Card Reader / Writer for SD UHS-II Cards (SD or MicroSD). Compatible with USB 2.0 and UHS-1 and non-UHS SD cards. Readers support todays latest card formatsSDHC/SDXC UHS I and UHS-II. Supports On-the-Go via OTG Cable (OTG Cable not included). Designed for Professional Photographers and Videographers.