Smartwatch Digital Touchscreen OLED 352 x 430 pixels 1000 cd/m² Dust resistant, Water resistant, Waterproof IP6X Waterproof up to: 50 m Built-in microphone Built-in speaker(s) Heart rate monitor Accelerometer Gyroscope Activity tracker Apple Siri 4G GPS (satellite) BeiDou GLONASS Galileo Quasi-Zenith Satellite System (QZSS) Wi-Fi Bluetooth 5.0 Near Field Communication (NFC) Lithium-Ion (Li-Ion) 18 h Your essential companion is now even more powerful. Introducing temperature sensing for deeper insights into womens health. Crash Detection to get help in an emergency.2 Sleep stages to better understand your sleep. And new ways to train using the enhanced Workout app. The future of health never looked so good. Display Rounded display corners Yes Always-on display Yes Display brightness 1000 cd/m² Display technology OLED Touchscreen Yes Display resolution 352 x 430 pixels Display type Digital Performance Fall detection Yes Crash detection Yes Wireless chipset W3