It is necessary that the device has OTG2 (USB On-The-Go) to use the Ultra Dual USB Drive. The two ports of the product have protective and retractable it costs between$ 79 and$ 249, with storage capacities ranging from 16 GB to 64 GB.
With it you can do transfers without the need for cables or storage services for the cloud, between mobile devices, between them and computers. “The SanDisk Ultra Dual USB Drive provides a simple and convenient way to free up space, and backup files from smartphones and tablets,” says Dinesh Bahal, vice-president of marketing of the company's products.
Source: Digital Look