Saicoo USB 3.0 Foldable Superspeed Multi-in-1 7 slots Digital Memory Card Reader/Writer No USB cable needed for it's unique design, with LED indicator. Rotate and hide the USB 3.0 plug to the bottom side of the card reader, it is very convenient to carry and use. Dual slots for both SD and Micro SD cards, it is very convenient to transfer data between SD cards or Micro SD cards. Auto detect card memory, Support Compact Flash Ultra DMA mode 7, SD v3.0, UHS-I standard, MSXC, and SDXC up to 2TB. Plug and play, no driver needed, Support bus powered mode.