I-doser 4.5 Todas As Doses |top| -

: Plays two different frequencies in each ear to "entrain" the brain into a specific state, such as relaxation, energy, or altered consciousness.

Some users report headaches, dizziness, or nausea, especially from theta/gamma mixes. If you feel discomfort, stop immediately. I-Doser 4.5 Todas as Doses