Hz Frequency for Focus
3:20
Hz Frequency for Memory
3:43
Hz Frequency for Concentration
3:10
Hz Frequency for Study
4:51
Hz Frequency for Relaxation
4:50
Hz Frequency for Learn
3:13
Hz Frequency for Brain
3:13
Hz Frequency for Sleep
3:22
Hz Frequency for Baby
3:35
Hz Frequency for Stress
3:07
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