Fits behind almost any headstock so your audience is looking at you... not your tuner! Rechargeable, so you can focus on your music... rather than worrying that your battery may fail! Fast, so you can tune between songs without your fans starting to throw stuff. No switches or buttons, just tap Snark Air and you are cleared for take off! Tap twice to change display to work well behind your headstock! Nothing hanging off your instrument, your audience sees only you and your instrument.