TRIPP LITE 2-in-1 Adapter USB 3.0 Micro B and USB 2.0 Micro B to USB A (U053-000-OTG) Connect Thumb Drives, Keyboards, etc. to OTG Tablets and Phones Features both USB 3.0 Micro B and USB 2.0 Micro B connectors Plug-n-Play: No Software or Drivers Required Lifetime limited warranty