DescriptionThe Redmi Watch 4 utilizes a 1.97-inch AMOLED display with a resolution of 450 x 390 and an LTPS 5Hz-60Hz refresh rate. The watch is built around an aluminum alloy frame and features a rotating crown and a quick strap changing feature. It also comes with 5ATM waterproof protection.Running on Xiaomi HyperOS, the watch offers up to 20 days of usage without Always-On Display (AOD). It includes navigation services such as GPS, GNSS, GLONASS, Galileo, QZSS, and BDS. Additional features comprise support for Bluetooth 5.3, Bluetooth calls, Messages, Calendar, sports tracking, sleep monitoring, a heart rate sensor, SpO2 monitoring, accelerometer, gyroscope, and camera control.1.97-inch AMOLED display with a resolution of 390 x 450 pixels.24 hours Heart rate sensor, a SpO2 sensor for blood oxygen level monitoring.150 sports modes with automatic detection for some.Powered by a 470mAh battery, 20days of endurance on normal usage.Support Bluetooth 5.3, NFC connectivity, and built-in Xiao AI voice assistant.Support Xiaomi HyperOS, Android 8.0 and iOS 12 or above.
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