Micro USB OTG Converter Adapter For USB Flash Memory Connect Any Flash Memory To Your Mobile U disk OTG adapter. Material: ABS+ zinc alloy. Storage temp: -20-+70 Operating temp: -20 -+60 Operating humidity: 20%RH-85%RH Size: 15.4(L) * 11(W)mm. Weight: ~ 5g. 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.) Transfers data from cell phone and USB drive without any computer. Only supports Android Phone with OTG function. Transfers files to OTG , allows you to connect to most USB flash drive, mouse, keyboard and some digital cameras etc. Compatible with Xiaomi HTC Samsung Huawei etc.