Crater: USB OTG 3.0(On the Go) Dual Port (Usb and Micro Usb) Swivel Flash Drive for Samsung Galaxy S2, S3, S4, Note 2, Note 3, LG Optimus G, HTC One and any USB OTG Compatible Device (8GB, Blue) Plug and Play, with no driver or app necessary Allows you to move and copy files between your Android device and your desktop/notebook PC without using a bulky cables Works with any USB On-The-Go compatible Android tablet or smartphone with a Micro-USB connector USB 3.0 speed with USB 2.0 compatibility One Year Limited Warranty