1
13 Hz Concentration - Binaural Beats Miracle Tones
2
14 Hz Focused Attention - Binaural Beats Miracle Tones
3
18 Hz Cognitive Thinking - Binaural Beats Miracle Tones
4
20 Hz Problem Solving - Binaural Beats Miracle Tones
5
30 Hz Beta Waves - Binaural Beats Miracle Tones