Keep your eyes on the road, not your phone! Speed of Sound automatically adjusts your music player’s volume while you’re driving about with your GPS, lowering the volume while driving slowly or at a stoplight, and cranking it up on the highway.
This is a feature available in some more expensive cars and sound systems. We’re giving it to you for free to use on your phone. Just start up your music player, plug your phone into your car stereo, and open Speed of Sound.
