The AVerMedia Averkey 300 PC/Mac TV Converter Plug-N-Play is a set-top box/appliance-style TV tuner designed for universal compatibility with both PC and Mac systems. This unit, featuring digital format video capture, allows users to easily convert their TV signals for use with their computer or tablet. With its sleek design and Plug-N-Play functionality, the AVerMedia Averkey 300 offers a convenient and practical solution for those looking to access their favorite TV shows and movies on their computer or Mac device.