Where do I begin? It has an accompanying app to provide information on battery %, along with features that allow you to create custom EQ's for specific songs. It also has a setting that allows you to adjust the reverb of the song to what it performs best in. Options include silent room, living room, jazz club, and concert hall. Moving on, the design of these bluetooth headphones is sleek and sexy, with a powerful rechargeable battery to match. Needless to say, the sound quality from these headphones is exquisite. Must buy.