1 year agobeta_brainwaves_focus_20Hz__FocusWhilelearning_ _Focusing_ _brainwaves_17114680869527678TechSphere
1 year agobeta_brainwaves_focus_11Hz__studyfocus_ _Betasounds_ _brainwaves_17097623568435931TechSphere
1 year agobeta_brainwaves_focus_20Hz__betawaves_ _Betasounds_ _brainwaves_17116139929824617TechSphere
1 year agobeta_brainwaves_focus_6Hz__betawaves_ _studyfocus_ _FocusWhilelearning_17096301645942903TechSphere
1 year agobeta_brainwaves_focus_7Hz__Focusing_ _FocusWhilelearning_ _Betasounds_17097423049913166TechSphere
1 year agobeta_brainwaves_focus_20Hz__betawaves_ _brainwaves_ _FocusWhilelearning_17114608225591335TechSphere
1 year agobeta_brainwaves_focus_20Hz__betawaves_ _studyfocus_ _brainwaves_17114519685461063TechSphere
1 year agobeta_brainwaves_focus_23Hz__Focusing_ _brainwaves_ _FocusWhilelearning_17096228763769436TechSphere
1 year agobeta_brainwaves_focus_39Hz__focus_ _FocusWhilelearning_ _Betasounds_17096374987416015TechSphere
1 year agobeta_brainwaves_focus_32Hz__Focusing_ _FocusWhilelearning_ _Betasounds_17097690575477314TechSphere
1 year agobeta_brainwaves_focus_20Hz__studyfocus_ _FocusWhilelearning_ _brainwaves_17116173369792528TechSphere
1 year agoviento y olas voces lejanas BLACK SCREEN 10 HOURS FOR SLEEP STUDYING AND RELAXINGTechSphere
1 year agowaves atlantic ocean on pebbly shore pei BLACK SCREEN 10 HOURS FOR SLEEP STUDYING AND RELAXINGTechSphere
1 year agobeta_brainwaves_focus_36Hz__brainwaves_ _studyfocus_ _Betasounds_17096627430807035TechSphere
1 year agoWaterfall With Cars People In Background BLACK SCREEN 10 HOURS FOR SLEEP STUDYINGTechSphere
1 year agobeta_brainwaves_focus_17Hz__Betasounds_ _FocusWhilelearning_ _Focusing_17096363703039243TechSphere