The SingSong Duet Pro consists of 2 High Quality USB microphones designed for Wii Karaoke games. The microphones work great with ALL singing and karaoke games including Sing It and American Idol Encore 2. These high quality microphones accurately reproduce the sound of your voice, and come with 4 different color mic covers. FEATURES: *Designed for Karaoke and singing games *Accurately reproduces the sound of your voice *4 different color mic covers *Trilingual packaging and User's Guide (English, Spanish & French)