YAMAY Smart Watch Compatible iPhone and Android Phones IP68 Waterproof, Watches for Men Women Round Smartwatch Fitness Tracker Heart Rate Monitor Digital Watch with Personalized Watch Faces Black - Newegg.com
Amazon.com: TIFOZEN Smart Watch for Men Women, 1.28 Inch Touch Screen Fitness Tracker with Message Reminder, Blood Oxygen, Heart Rate Monitor, Sleep Analysis, Sports Modes for Android iOS (Black) : Electronics