Published On Jul 30, 2016
Stroboscope: https://usefulmobileapps.com/en/strob... https://itunes.apple.com/app/id831460940
Online Tone Generator: http://onlinetonegenerator.com/ (40Hz, Sine, Max Volume)
show more
Stroboscope: https://usefulmobileapps.com/en/strob... https://itunes.apple.com/app/id831460940
Online Tone Generator: http://onlinetonegenerator.com/ (40Hz, Sine, Max Volume)