1、Compact size,lightweight, convenient to use and carry. 2、Easy to use in OTG phone transfer the data from cell phone and USB drive without any computer. 3、Only support Android Phone with OTG function. 4、Support common normal USB interface,not for the thin. 5、Transfer files to OTG , Allow you to connect to most USB Flash Drive,Mouse, Keyboard and some digital cameras etc. Features: 1.Brand New and high quality 2.Material: ABS+ Zn Alloy 3.Compact size,lightweight, convenient to use and carry. 4.Easy to use in OTG phone transfer the data from cell phone and USB drive without any computer. 5.Only support Android Phone with OTG function. 6.Support common normal USB interface,not for the thin. 7.Transfer files to OTG , Allow you to connect to most USB Flash Drive,Mouse, Keyboard and some digital cameras etc. 8.Stable,faster,Stronger compatibility 9.Compatible with Xiaomi HTC Samsung HuaWei etc. 10.Support System: Windows 98/me/2000/XP/Vista Macintosh OS 9.or Later Linus Kernel 2.4.x or later Android 2.3 and above. (the smart devices with OTG function.) 11.Size: 15.4(L)x11(W)mm Package includes: 1 x U disk OTG Adapter