 Do quantum frequencies still work by listening with headphones? Yes, they do. So something that you need to understand is that our frequencies can be used two ways. You can listen to them or you can use them with coils silently. And you can use either way that you want. Now, if you listen to them, the benefit is that you don't need the coils, right? But if you use the coils, it's stronger. It goes into your body and it works with your body better than just listening to the sound. So everything that you need to transform about your body, like if something inside your body specifically, like in your organs or something or in your brain, the coils work better with that. But if it's something for mental health, for sleep, for your nervous system, for calming or meditation or abundance or attracting things, stuff that more mental or psychological or spiritual, actually, more mental, then the frequencies work well with that. Now, the coils also work with all the mental and psychological things, right? It works on a different level. How long should you use the frequencies at a time? They're like five minutes each on the app. If you're listening to them at least 30 minutes, if you're using the coils at least five minutes, but I use them for about 30 minutes a day. So I would say about 30 minutes. And now some people use them all day, right? I think Jessica uses them all day. She just keeps them on all day.