These amazing speakers play beautiful tones and frequencies offering a powerful and transformative way to begin a ritual or meditation. They can also be a great tool to help relieve stress and anxiety. Each time you hit play, the speakers play for three minutes helping you to focus and get centered. Each time you use them they will change in tones so you never get bored. You will hone your listening skills and can use them to train your brain to focus and relax into the frequencies.