Dual USB OTG + LAN HUB for Samsung SGH-I337ZRAATT Smartphone with USB 3.0 and Micro USB 2.0/21pin Adapter Connection Kit. Now you can do more, like adding 2 USB devices plus a Fast Secure Ethernet/LAN Internet connection! (Black)

Wireless Phone Accessory details (USA). ISBN: 978-1-06-117736-8 ISBN-10: 1-06-117736-X Factory Direct