Saicoo USB 3.0 4in1 Digital Memory Card Reader/writer - with a 13cm flexible USB cord and dual SD / Micro SD slots for SDXC, UHS-I SD, SDHC, SD, Micro SDXC, Micro SDHC, Micro SD, MMC Dual slots for both SD and Micro SD cards, it is very convenient to transfer data between SD cards or Micro SD(T-flash) cards directly. Easy portability design, with a 13CM flexible USB cord to enable connections in tight spots next to larger USB plugs. Plug and play; Hot swapping; USB-powered (no external power or battery needed); Backward compatible with USB 2.0 / 1.1. Auto detect card memory, support SDXC up to 2TB, SD V3.0, UHS-I standard, latest Micro SDXC and MMC 4.4. LED indicator for working status, keep on when connected, keep flashing when transferring data.