90 Degree Left & Right Angled Mini USB Type B to USB Female OTG Cable for Tablet & Cell Phone, It's a standard USB MINI HOST Cable, that needs your machine to support USB host OTG function, Use for Tablet cell phone, Car Aux, GPS, MP3 MP4, PDA, PMP, and more use, With this USB Host OTG adapter, you can assess to most of USB Flash Drive, Mouse, Keyboard, and game controller, etc, It should work with most USB Flash Drive, Mouse, and Keyboard, but please note that some of them may not be compatible, it also works with external harddisk, But It needs an external power source for the harddisk, It should also work with non-power card reader, Length: 10cm.