[Bigger Nordic IPS Color Screen 52832 Chip] The 1.14 inch IPS color screen smart watch offers excellent high-definition picture quality and has a highly sensitive touch sensor. Nordic 52832 chip is an updated version of the integrated chip in 2020, with the lowest power consumption, highest integration, high data accuracy and longer battery life.[All day activity tracking and GPS sharing] Automatically track your sports activities, calorie count, steps, distance throughout the day. Sharing the GPS, you can open 'Sports' in the app to view the race route.[Heart rate monitor and sleep monitor] Continuous, automatic and tracking heart rate on your wrist, you don't need to use an uncomfortable chest strap. This feature can help you better understand your health. It will automatically record the length and quality of your sleep every night, and you can also set a silent alarm to wake you up with silent vibrations.[Smart and waterproof IP68 notification reminder]: Through high-speed bluetooth connection, the smartwatch will vibrate to remind you all the incoming notifications to your phone, such as phone calls, emails, SMS and SNS ( Facebook, Twitter, Instagram, WhatsApp, etc.). You won't miss any important information. IP68 waterproof, waterproof depth up to 50m, you can wear the smart watch worry-free while swimming and bathing.[Compatibility and warranty]: You can download and install the free app 'H Band' by scanning the QR code or searching in Google Play or Apple App Store. This app supports iOS 8.0 and above, Android 4.4 and above. All functions are applicable to Android phones and iPhones.