M2 Wristband Heart Rate Monitor Bluetooth 4.0 Smart Band IP67 WaterProof Sports Reminder Smart Watch Fitness Tracker Bracelet (Black) CHEMAI

Features: 0.42"" OLED display screen;Incoming messages, calls, and note prompt: iOS and Android, English and Chinese;Heart rate monitor: real time monitoring, monitor time period setting;Time display, pedometer, real time heart rate, distance shown;Standard sports functions: pedometer, distance counting, calorie consumption;Sleep tracking: sleeping time and quality;Time display, pedometer, distance shown on the screen;Turn-wrist to screen bright; locating and finding watch;Anti-lost reminder: When your phone is out of your monitoring range, it will remind you;Specifications:System Required: Android 4.4 or above, iOS 8.0 or above, Bluetooth 4.0Bluetooth Version: 4.2waterproof: IP67 GradeChip: ST17S25 Sensor: Gravity sensor, and Reflecting photoelectric heart rate sensorDisplay Screen: 0.42"" OLEDBattery Capacity: 70mAhStandby Hours: 15 daysWorking Hours: 5 daysOperating Way: Capacitive Touch ScreenWarning Way: Built-in high sensitivity motorAPP/APK Downloading Way: Android and iOS (English Name: Yoho Sports) You can search and find it in Apple APP Store or in Android App stores)Net Weight: About 19gGross Weight: About 64g

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