20-30, ACTIVITY, ADULT, ALICE, ALONE, BRACELET, BSIP, CHECKING, CLOSE-UP, CONNECTED, E-HEALTH, EARPHONE, ELECTRONIC, EUROPEAN, FOREST, HEARTBEAT, HIS, HUMAN, MALE, MAN, MUSIC, OBJECT, OUTDOORS, PARK, PERSON, PHYSICAL, PULSE, SENSOR, SPORT, TECHNOLOGY, WATCH, WOOD, YEARS,