Amazon.co.jp: GARMIN vivosmart4 Activity Tracker, Activity Meter, Water Resistant to 164.0 ft (50 m), Continuous Operation of up to 7 Days : Sports & Outdoors
Garmin vivosmart 4 Activity Tracker with Heart Rate Monitor - Azure Blue / Silver (S/M) - 010-01995-04
Garmin vivosmart 4 Activity Tracker with Heart Rate Monitor - Azure Blue / Silver (S/M) - 010-01995-04