Features:OOTDTYbrand new and high qualitybrand new and high qualitySupport USB 3.1 super speed (5Gbps) transmiion, downward compatible USB2.0Driver support for windows XP, for windows 7, 8 Linux; plug and for play. hot swap, easy to use and carry.Independent supply provides power supply to devices.Support over current and under current for protection.The devices to the 3-port USB Hub must not a combined current of 5 volts 900 mAh.High speed data transfer up to 5 Gbps, with LED for powerfor XQD cards, only support series cards and for Lexus cards with USB supports all cards.Specifications:Size:approx 6x4.5x1.4cm/2.36x1.77x0.55inStandard: USB (3 Ports)Card Compatibility: for MS CardMaterial:Aluminum Alloy+ABSWeight:55gData Transfer Speed5GbpsCable Length: about 85mm/3.34inPackage Includes:1x Usb Hub Card ReaderNote:Only the above package content, other products are not included.Light and different displays may cause the color of the item in the picture a little different from the realThe measurement allowed error is 1-3cm.