Smart Watch - Universal - 1.68 Inch Sports Smart Watch for Men and Women, Heart Rate Monitoring, Waterproof Smart Watch (Black) Highlights Universal 1.68 Inch Sports Smart Watch for Men and Women , Heart Rate Monitoring, Waterproof Smart Watch (Black) Bluetooth Call Smartwatch 1.68 Inch Sport SmartWatch Men Women Sleep Heart Appointment Monitor Waterproof Smart Watches (Black) Special Features: 1.68 Inch Full Touch Screen Black Color Notebook addresses Call and dial Bluetooth Heart rate monitor Blood pressure monitor Blood oxygen monitor Sleep monitor MULTI-SPORT MODES Pedometer Call or message reminder Call ID display Information reminder Push (SMS/QQ/ WECHAT/Skype/Facebook/Twitter/Line/WhatsApp) Music control Automatic lighting screen Alert type: Vibration Stopwatch Other functions: Alarm clock, sedentary reminder, camera remote control, anti-lost APP name: HIDWATCH App language: English, Portuguese, Spanish, Korean, Russian, German, Italian, Japanese, French, Simplified Chinese, Traditional Chinese Note: The wearable devices monitor human activities through electronic sensors, and they are at the level of the elution of consumers. Normal for certain deviations. The user should process data objectively. --Please do not compare it to hospital equipment on the reading, it is not a medical device! - Before using, scan the QR code on the manual to download the app and connect it to the watch with app. - For Android user: Please always allow the app App Name: HiWatch Access to all phone functions and let it work always. And please turn on the GPS on your phone before connecting it. --Please charge it for 2-3 hours when you receive it. It was running out of power after the long delivery. THANKS!