The SanDisk Ultra Dual Drive USB 3.0 is a 32GB flash drive with a connector on each end: a micro-USB plug for Android phones and tablets that support On-The-Go (OTG), and a full-size USB 3.0 plug for PCs and Macs. Plugged into a compatible phone or tablet, it is detected automatically, which makes it simple to move photos, videos and music onto a computer and free up space on the device. The USB end is backward compatible with USB 2.0 ports, and SanDisk rates read speeds at up to 150MB/s from a USB 3.0 port, with results depending on the host device. The black body has a textured grip panel and a sliding metal loop that selects the connector. This is a new accessory.