1.3inch Color Screen Heart Rate Blood Pressure Monitoring Watch Waterproof Sport Smart Bracelet Features: 1. Evaluate the ECG offline and flip the wrist to automatically switch the screen. 2. Wearable Hardware+ Smart APP + Big Data Cloud Service. 3. Wear it with you, real-time synchronization to the cloud through APP control, display and recording. 4. Monitor body health changes, find health data, show risk status and evaluate results. 5. Other Functions: Step, Calories, Distance, sleep monitor, sport, Call reminder, Alarm Reminder, Raise you hand the watch light, Social share etc. 6. Compatible with Bluetooth, heart rate, blood pressure, step counting, and other functions. 7. Built in 180mAh battery capacity, long standby time up to 15 days. Specification: Color: Black Product model: Y18 System Requirements: For Android 4.4 and above, for IOS 8.0 or above, support for Bluetooth 4.0 For Bluetooth version: BLE 4.0 For Bluetooth chip: Realtek 8762 Screen display: 1.3 inch TFT color screen Battery capacity: 180mAh Theoretical standby time: 15 days Theoretical working time: about a week Physical button: a touch button Motor: 4.6*4.6 shrapnel motor, vibration reminder Charging interface: clip / USB (depending on the shell material) Waterproof rating: IP67 FLASH: 32M Font library: full font to push 168 languages Heart rate sensor: EM7028 Sensor: gravity sensor STK8321 APP/APK download method: For Android and application sync: FlagFit2.0, QR code scan download and install FlagFit2.0 Package List: 1 * Watch 1 * Instruction Manual 1 * USB Cable