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Xiaomi Watch S4
Xiaomi Watch S4 is a smartwatch that lets you change the whole look on a whim.
The interchangeable bezel system — one of the most distinctive design features in the lineup — lets you twist off the bezel and swap in a new one, with the watch face automatically switching to match. Combined with swappable bands, you can take the Watch S4 from sporty to dressy without buying a different watch.
The 1.43-inch AMOLED display now hits 2,200 nits peak brightness — brighter than many flagship smartwatches at twice the price — behind scratch-resistant sapphire glass. HyperOS 2 powers the experience, with gesture controls letting you reject calls, take photos remotely, and open apps with a wrist flick. NFC contactless payments support Mastercard and Visa.
Health tracking covers continuous heart rate, SpO2, stress, sleep stages, and 100+ sport profiles with built-in GPS. Smart home control via Xiaomi's ecosystem rounds out the connected experience.
HSA/FSA eligible
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Learn how to pay with HSA/FSAInterchangeable bezel system with auto-matched watch faces; swappable bands
1.43-inch AMOLED, 2,200-nit peak brightness; sapphire glass; 46mm case
HyperOS 2 with gesture controls (reject calls, remote photo, weather, more)
NFC payments (Mastercard and Visa); built-in GPS (5 satellite systems)
Heart rate, SpO2, sleep tracking, stress; 100+ sport modes
Up to 15 days battery; 5 ATM water resistant; Xiaomi smart home control
Xiaomi
Xiaomi makes feature-packed fitness trackers and smartwatches with AMOLED displays, 3-week battery life, and 150+ sport modes — starting under $60.
