cable matters micro usb to ethernet adapter up to 480mbps for streaming sticks including chromecast, google home mini and more - not compatible with roku device cable matters <b>connect more with cable matters a/v products</b><br> <br> <br> <b>buffer-free zone </b><br> the cable matters usb micro-b ethernet adapter provides a solid solution for video lag and buffering problems over a wi-fi connnection. directly connect your video streamer or smart speaker to power and ethernet for solid and reliable video and audio performance.<br> <br> <b>important notes</b><br> - fire tv (gen 1) is not supported<br> - not compatible with a smartphone, tablet, or laptop<br> - a usb wall charger is recommended (not a usb port on a tv)<br> - wireless 802.11ad routers with gigabit ethernet offer faster data transfer speeds than this adapter<br> - usb wall charger and rj45 ethernet cable is not included<br> <br> <b>warranty</b><br> limited one-year warranty and lifetime product support