Super Power Supply&reg; USB to 5.5x2.1mm (5.5mm x 2.1mm) AC Adapter Barrel Plug 5V Cable for Charging or Powering Devices from a USB Port: Great for Buffalo, Dlink, TP-link Wireless Routers Includes: 1 USB to 5.5x2.1mm Cable Warranty: 1 Year Super Power Supply are manufactured and tested to match or exceed OEM products. Trademarked by Super Power Supply. Sold exclusively by Super Power Supply