F1s Heart Rate Monitor Fitness Tracker Smart Wristband For Iphone7 Samsung S8 Xiaomi 6 Redmi Note4

General Specification Model F1S Color Black, Blue, Purple, Green, Light Pink Compatible OS Android 4.4 and iOS 7.1 above Operating Mode Touch Bluetooth Version Bluetooth 4.0 Size 235*20*12mm Special Features Waterproof IP67 Waterproof Heart Rate Monitor Support Sleep Monitor Support Pedometer Support Sedentary Reminder Support Raise To Awake Support Exercise Plan Support Alarm Support Caller or Message Show Support (Call, SMS, Wechat, QQ, Facebook, Whatapp) Technical Parameters Sreen Size: 0.71inch Type: OLED Battery Battery Capacty: 70mAh Standby time: 7days Sensor Huajing sensor high precision Band Material: TPU Package Included: 1 * F1S Heart Rate Monitor Fitness Tracker Smart Wristband 1 * Charging Cable 1 * User Manual