This USB OTG (On-The-Go) cable is a USB Adapter for Samsung Galaxy Tab 7.0 Plus, 7.7, 8.9 & 10.1. This USB Host OTG cable lets your device to connect to USB Flash Drive, Mouse, some Digital Cameras & Keyboard. It works with most USB Flash Drive, Mouse, digital camera and Keyboard, but please note that some of them may not be compatible.