Usb 3.0/3.1 hub and multi-card reader
interface: usb 3.0 / 3.1 gen 1 (backwards compatible with usb 2.0).
data transfer speed: supports 5 gbps (usb 3.0) up to 10 gbps (usb 3.1), depending on your computer's port capability.
cable length: approximately 20cm to 30cm.
housing: brushed metallic finish (likely aluminum or plastic with a metal look).
sd / sd(hc): standard camera memory cards.
ms duo: sony memory stick duo.
m2: micro memory stick.
t-flash / microsd: common cards for smartphones and action cams. WITH VAT