Not sure if this works, but I was using those sound entrainment binaural beats for theta deep sleep waves, or set to meditation. There's some free frequency gen

Not sure if this works, but I was using those sound entrainment binaural beats for theta deep sleep waves, or set to meditation. There's some free frequency generators online or app store. You should try it with your headband to see if there are increases in frequency of the binaural beat frequency you've chosen in app