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Amazon.com: NB RunIQ Smartwatch, One Size : Everything Else
Amazon.com: Blackview Smart Watch for Android Phones and iOS Phones, All-Day Activity Tracker with Heart Rate Sleep Monitor, 1.3" Full Touch Screen, 5ATM Waterproof Pedometer, Smartwatch for Men Women : Electronics
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Amazon.com: Cubitt CT2Pro Series 3 Smart Watch with 1.69" Touch Screen, Fitness Tracker with Alexa Built-in, Bluetooth Calling, Blood Oxygen, Heart Rate, Stress and Sleep Monitor, Waterproof, Step Counter : Electronics
Amazon.com: DREAM SPORT Heart Rate Monitor Chest Strap Bluetooth ANT+ Wireless Gym HR Monitor for Cycle Computer and Watch and fit for Strava Wahoo Garmin : Electronics
Amazon.com: Amazfit GTR 2e Smart Watch, 24 Day Battery Life, Alexa Built-in, Fitness Tracker with GPS & 90 Sports Modes, Blood Oxygen Heart Rate Tracker, 5 ATM Water Resistant, for Men Women
Amazon.com: Smart Watch for Men Answer & Dial Call, Alexa Built-in 1.8" Touch Screen Activity Trackers with Fitness Heart Rate Sleep Monitor, 100+ Sports Modes, IP68 Waterproof for iPhone Android (Classic Black) :