Woman with brain wave frequency wearable on her head relaxing in garden, Cologne, NRW, Germany
Palabras clave
woman,
brain,
wave,
frequency,
wearable,
head,
relaxing,
garden,
cologne,
german,
technology,
1,
people,
communication,
adult,
outdoors,
day,
yard,
casual attire,
sensor,
headband,
wireless,
sitting,
cross-legged,
closed,
eye,
mid,
caucasian,
meditation,
meditating,
relaxation,
female
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