iFi GO blu Air Portable Wireless Headphone AmplifieriFi Audio GO blu Air Meet the GO blu Air, the compact Bluetooth DAC that frees your wired headphones from clunky cables without compromising on sound. Slip it onto your bag, jacket, or strap with its secure magnetic clip, and youve instantly unlocked wireless freedom for your favourite earphones or full size cans. On the go, the built in high quality mic keeps every call crystal clear, so you can switch between playlists and conversations without