The equalizer are music, movie, or podcast. They old ones lasted much longer than the average headphones and were excellent quality so she wanted the same despite the fact that there are newer models. When it arrived, I took it out of the box, unplugged the ?nest? and attached long charger component to base unit. Excellent Scent Like. As soon as I took my foot out the inside lining came out. Video is an improvement over Pixel 3 but 4k 60fps is still missing. Great sound quality with a hard-punchy bass. had these shoes before and liked them a lot, the ones ordered here on amazon started to fall apart within a few weeks though, pretty sure these are cheap copies (look the same, but very poor quality). Combined with either OneLap or Zwift, it is responsive and provides the appropriate resistance according to what these apps present to the rider.