Biofeedback devices being non-medical relaxation therapy apparatus using passive acoustic amplification to amplify a user's breath and internal body sounds for non-medical personal use, namely, for personal meditation, breath awareness, and relaxation purposes

'acoust':12 'amplif':13 'amplifi':15 'apparatus':9 'awar':35 'biofeedback':1 'bodi':22 'breath':19,34 'devic':2 'intern':21 'medic':6,27 'medit':33 'name':30 'non':5,26 'non-med':4,25 'passiv':11 'person':28,32 'purpos':38 'relax':7,37 'sound':23 'therapi':8 'use':10,29 'user':17

BREATHOSCOPE

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