Logitech Harmony Link is a small device that connects to your home Wi-Fi® network. It turns signals from the Harmony Link app into infrared commands that can control your TV, set-top boxes, music systems and many other home entertainment devices. It even has an IR mini blaster that allows it to send signals through closed cabinet door
How does it work?
Logitech Harmony Link works with the free app for iPad, iPhone, iPod touch and Android smartphones. With the Logitech Harmony Link app, your favorite device becomes a full-featured remote that can control your entertainment system with one touch.