Features:brand new and high qualitybrand new and high qualitySupport USB 3.1/3.0 super speed (5Gbps) transmission, downward compatible USB2.0Driver free, 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 connect devices.Support over current and under current for protection.The devices connected to the 3-port USB 3.0 Hub must not exceed a combined current of 5 volts 900 mAh.High speed data transfer up to 5 Gbps, with LED indicator for power status.for XQD cards, only support Sony- G series cards and for Lexus cards with USB logo, supports all SD cards. Specifications:Size:approx 6x4.5x1.4cm/2.36x1.77x0.55inStandard: USB 3.0 (3 Ports)Card Compatibility: for MS/M2/SD/Tf CardMaterial:Aluminum Alloy+ABSWeight:55g Data Transfer Speed:5GbpsCable Length: about 85mm/3.34in Note:Only the above package content, other products are not included.Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm. Package includes:1x Usb Hub Card Reader