Multifunction Cube, USB 6 interface, no special reader, easy to use. Plug and play, high speed transfer rate. Support overload voltage and instantaneous current protection, with the power adapter jack, safer and more stable. Multiple devices can be used simultaneously, adjustable spacing. Super compatible, supports a variety of USB transfer. Light weight, compact, easy to carry and easy to use. We have four colors to choose,orange,purple.If you want to need,please messenge us.