Support cards: sd/sdhc, tf, ms duo, m2. easy to set up, plug-n-play, hot-swappable, hot-pluggable and no driver needed. this card reader will only identify and read one memory card at a time.
support windows 10/8.1/8/7/xp/vista, mac os, and linux operation system. reverse compatible with usb 2.0 and usb 1.1 devices. suitable for desktop & notebook pc, powered by the usb port so no external power needed(except the usb hdd).
dc jack designed for power supply to this product when connecting usb hdd. please kindly note: this product only works with dc 5v (center positive polarity) adapter for power supply. (power adapter not included).