Photo 1 of DR.VIVA Fitness Tracker for Men, Smart Watch Fitness Activity Tracker with Heart Rate Monitor, 1.69" Full Touch Screen Blood Oxygen Sleep Monitor 7-Day Battery 12 Sport Modes 5ATM Waterproof, Black black 1.69inch

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Photo 1 of DR.VIVA Fitness Tracker for Men, Smart Watch Fitness Activity Tracker with Heart Rate Monitor, 1.69" Full Touch Screen Blood Oxygen Sleep Monitor 7-Day Battery 12 Sport Modes 5ATM Waterproof, Black black 1.69inch