Specification: - 100% brand new and high quality - Material: ABS + Zinc alloy - Size: approx. 17 x 9mm - Support System: Windows, MacOS 9. or Later, Linus Kernel 2.4.x or later, Android 4.0 and above. Features: - Small size, lightweight, convenient to use and carry. - Easy to use in OTG phone transfer the data from cell phone and USB drive without any computer. - Transfer files to OTG, allow you to connect to most USB Flash Drive, Mouse, Keyboard and some digital cameras, etc. - Stable, faster, stronger compatibility NOTES: - Please make sure your phone support OTG function. This adapter can only used in OTG Android phone/Tablet. - Suitable for the normal USB interface, not the thin one.