S1 Bluetooth 4.0 Smart Bracelet Anti-lost Dynamic Heart Rate
S1 Bluetooth 4.0 Smart Bracelet Anti-lost Dynamic Heart Rate Monitor for iOS/Android Different form other smart bracelets, S1 smart bracelet is a multi-functional fitness band, which has so many functions, such as 24-hours dynamic heart rate monitoring, finding the phone, remote phone camera, multiple working modes. With this smart bracelet, you can enjoy a healthier life. 0.96 inch OLED Touch Screen High sensitive, palming screen can display time, date, and other data. Heart Rate Monito