brand new and high quality Using the latest USB3.1 Type-C interface technology designed Multiple USB 3.1 interface support plug and for play, hot swap, easy to use and carry USB3.1 Type-C interface consists 24pin terminal supports forward and reverse swap Type C connector is the new design for USB 3.1 & for Macbook & Laptop The data transmission rate can reach USB 3.1 10Gbps Driver free, support for windows XP, for windows 7, 8 and for Mac OS,Linux Support over current and unstant current for protection Micro USB interface, power supply With OTG function Specification: Product Interface: USB2.0 backward for USB1.0 Product Features: Extension 2 USB2.0 interface, 1 micro USB Interface Material: ABS Total length: app.18.3cm/7.20inch Color: Black Quantity:1 Pc Note: 1.Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!