The Redmi Watch 4 impresses with an ultra-large 1.97-inch AMOLED display that features an LTPS 5Hz / 60Hz refresh rate. The exquisite aluminum alloy frame, rotating crown and quick strap changing system highlight the sophisticated design of this smart watch. With an impressive battery life of up to 20 days (without always-on display function), the Redmi Watch 4 offers not only a visually impressive but also an extremely practical user experience.