The KM100 smartwatch features an ultra-thin round design with a 51.4mm diameter and only 7.3mm thickness, built from lightweight full metal for a premium yet comfortable fit. Its 1.75-inch AMOLED display with 466466 resolution delivers vivid colors and sharp details, enhanced by stylish 3D dynamic watch faces.Powered by the ATS3085S chipset with Bluetooth 5.3, it supports stable Bluetooth calling, quick one-touch pairing, and compatibility with Android 5.0 and iOS 9.0 or later. Receive notifications for calls, SMS, and popular social apps to stay connected anytime.Health features include 24-hour heart rate monitoring, SpO measurement, sleep tracking (including naps), stress and emotion monitoring, breathing exercises, calorie tracking, and 150+ sports modes. All health-related measurements serve as references and do not replace professional medical advice.Its 280mAh lithium battery lasts about 3-5 days with typical use or 20 days standby, and fully charges in 2 hours via magnetic cable. With IP68 waterproofing, its ready for daily wear and outdoor activities.Lifestyle tools include alarm, stopwatch, timer, music control, remote camera, weather, flashlight, world time, calculator, and female health tracking. Supporting 30 languages, the KM100 blends advanced features with an elegant, ultra-thin design.