DragonFly Cobalt the latest and most sophisticated member of the award-winning DragonFly franchise is a USB DAC (digital-to-analog converter) preamplifier and headphone amplifier. It bypasses the audio circuitry in laptops computers and smartphones to deliver cleaner clearer more naturally beautiful music to headphones powered speakers or complete audio systems. With AudioQuests DragonFly USB DAC music appreciation and exploration are limitless: Plug into an Apple or Windows computer or connect to an iOS or Android mobile device. Play YouTube or Vimeo videos. Go hunting on Bandcamp or SoundCloud. Explore playlists and podcasts on Spotify Pandora or Deezer. Stream high-res audio from Tidal or Qobuz. No matter the choice of sonic pleasure DragonFly unravels the emotional expression and nuance that makes music and movies so enjoyable. Now more than ever before naturally beautiful sound is right at your fingertipshowever you want it whenever you want it. Compared to previous models DragonFly Cobalt incorporates some important new features including a new more advanced ESS ES9038Q2M DAC chip with a minimum-phase slow roll-off filter for more natural sound; a more sophisticated Microchip PIC32MX274 microprocessor that reduces current draw and increases processing speed by 33% over DragonFlys Black and Red; and improved power-supply filtering specifically designed to reduce the WiFi and cellular noise that plague mobile devices. All of this is packed into a sleek attractive enclosure that measures just 2.26 x 0.73 x 0.47 (57.5mm x 18.6mm x 11.9mm) making the latest DragonFly 10% smaller and that much more portable than its predecessors. To easily accommodate the increasing number of electronic devices that feature USB-C ports DragonFly Cobalt comes with AudioQuests new DragonTail USB-C to USB-A adaptor. When the electronics world fully embraces USB-C DragonFly will be poised to take full advantage. Plays All Music Files: MP3 to High-Res and MQA Compatible w