AMOLED touchscreen display, 1.43 inches. Support Xiao AI virtual assistant and Bluetooth calls. Heart rate, blood oxygen monitoring, sleep tracking, and up to 117 sports modes are supported. Utilizing magnetic charging, the 470mAh battery lasts for 12 days on a single full charge. Limited third-party apps are supported (only on Android). Support iOS 10 or later and Android 6.0.