Smart Watch Waterproof Heart Rate Tracker Fitness Wristband for IOS Android IP67 Waterproof: It supports hand washing, rain, swim wear, meet daily needs (note: cannot wear for hot water bath and sauna). Health Monitoring: Blood pressure monitoring, heart rate monitoring, sleep monitoring, sedentary reminder..Standard sports function: Step, calorie, distance calculation. LCD Display: 3 kinds of UI interface style (main interface long press switch), time display, date display.Multiple sports modes. Call Reminder & Information Push: connect to "Fitpro" APP, to display calls, text messages and SNS (Twitter, Line, WhatsApp, Facebook, Line, KaKaoTalk, WeChat, QQ) and other notifications;never miss important information. Other Functions:Alarm clock,stopwatch,raise your hand to brighten the screen, remote camera, find the bracelet. Specification: APP: Fitpro Case Material: Aluminum Alloy Strap Material: TPU Screen: 1.3inch IPS Colorful screen Chip: HS6620D Bluetooth Version: 4.0 Waterproof Grade: IP67 (note: cannot wear for hot water bath and sauna). Battery Capacity: 100mAh Charging Time: About 2 hours Working Time: 5days Standby Time: About 10 days Charging Mode: Built-in USB Function Button: One Touch Button Compatible System: Android 4.4 and above, IOS 8.0 and above. How to pair with your phone? Tip: Use the "Fitpro" application instead of connecting to the device via Bluetooth directly. Or you won't be able to sync 1. Download and install the "Fitpro" app on your phone. 2. Open the phone's Bluetooth. 3. Open the application, click Device: search for your device and click it. Package Included: 1 x Smart Watch 1 x User Manual Note: 1. Wearable devices monitors human activities through electronic sensors, and they are at the consumer electronics level. 2. It's normal for certain deviation. The user should treat data objectively. Please do not compared to hospital equipment about reading, it is NOT a medical device.