Photometric apparatus other than for medical use, namely, photobiomodulation headset; Light measuring devices, namely, light measuring photobiomodulation headset; Digital signal processors, namely, photobiomodulation headset not for medical purposes; Digital measuring apparatus, namely, photobiomodulation headset for measuring electroencephalogram (EEG) signal, not for medical purposes; Diagnostic apparatus, namely, photobiomodulation headset, not for medical purposes; Measuring apparatus not...