在线拍卖： Xiaomi Watch S4 Smartwatch with AMOLED Display and Health Tracking

Xiaomi Watch S4 features a 1.43-inch AMOLED display with 326 ppi and up to 2200 nits brightness. It is water resistant and pairs a high gloss aluminum frame with an improved rotating crown and interchangeable bezels in ceramic, steel, carbon or artistic finishes, with battery life up to 15 days or two days with 5 minutes of fast charging. Health tracking covers heart rate, stress, SpO2 and sleep with a 98% precision module, plus 150+ sport modes and advanced running analysis. Ski mode with fall detection and dual-band GNSS (L1+L5) across five satellite