http://uk.transcend-info.com/Products/No-691

Transfer files to and from your mobile device with ease while on the go. Transcend's JetFlash 880 USB 3.0 OTG Flash Drive is designed to transform the way you carry and exchange personal digital media. The full-size USB 3.0 interface offers even faster transfer speeds to boost efficiency.
Plus, with the free-to-download Transcend Elite App, you can easily explore files on the JetFlash 880 and quickly backup all your precious files stored on your smartphone or tablet.

Dual USB Access: USB 3.0 + micro USB

On one side of JetFlash 880, a full-size SuperSpeed USB 3.0 interface can be connected to any USB port-equipped devices, providing 10 times the bandwidth of USB 2.0. On the other side, a micro USB interface allows you to connect to mobile devices.

Lighter & Smaller Metallic Design

JetFlash 880 is produced in an ergonomic design with quality metal at a much smaller size and lighter weight. Though lightweight in size, JetFlash 880 is offered in capacities up to 64GB for easy file backups or transfers.

Water & Dust Resistant

The use of innovative COB (Chip on Board) engineering ensures that the JetFlash 880 is completely resistant to dust and water, bringing you to another level of durability.

Exclusive Transcend Elite App

Featuring File Management, File Encryption and One-touch Backup functions, the Transcend Elite App allows you to easily explore files on the inserted memory card or USB flash drive, transfer files with 256-bit AES Encryption, share files to a variety of cloud storage services, and quickly backup photos, videos, documents, and other important content stored on your Android device.

Specifications:

Size	26.8mm X 12.2mm X 7.55mm (1.06" x 0.48" x 0.30")
Weight	3g (0.11 oz)
Interface	USB 3.0 (Standard A / Micro B), backwards compatible with USB 2.0
Certificates	CE, FCC, BSMI
*Note	Both USB connectors cannot be used at the same time.
System Requirements	Desktop or notebook computer with USB port (USB 3.0 port needed for USB3.0 performance) and one of the following Operating Systems: Microsoft Windows 7 Microsoft Windows 8 Microsoft Windows 8.1 Mac OS 10.5 or later Linux Kernel 2.6.31 or later Tablet or mobile phone with a micro B USB connector and support for USB OTG host function. Device requirements for running the Transcend Elite App: Android device with Android 4.0+ or later.

https://www.youtube.com/watch?x-yt-cl=84359240&v=ln3ZoyQwox0&x-yt-ts=1421782837.