Amazon.com: Stiive Fitness Tracker with Heart Rate Monitor, Waterproof Activity and Step Tracker for Women and Men, Pedometer Watch with Sleep Monitor & Calorie Counter, Call & Message Alert : Sports &
Amazon.com: anyloop Smart Watch for Men Women, 1.96" AMOLED Display, Fitness Watch(Answer/Make Call) with Heart Rate Sleep SpO2 Monitor,IP68 Waterproof Activity Trackers and Smartwatches for iOS and Android : Electronics
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Amazon.com: JI'TUBST Smart Watch for Men and Women with 1.69'' Full Touch Color Screen, Smart Watch for Android Phones and iOS Phones IP68 Waterproof Heart Rate Monitor Pedometer Sleep Monitor (Obsidian Black) :