The compact OTG microReader combines microUSB and USB 2.0 connectors into one convenient package. You can switch between connectors by pressing and sliding the button. Access data on a microSD card by plugging it into the base of the microReader's standard USB connector. To eject the card, just slide the button on the back. The OTG microReader also provides a quicker and smarter way to securely share data among different devices such your mobile phone, tablet and PC. With no end cap to hassle with or lose, the OTG microReader is both compact and easy to use.