Exquisitely crafted 3D curved glass shimmers like crystal jade and creates an integrated visual experience. The beautiful and dynamic curves of the aluminum alloy case provide a comfortable and lightweight wearing experience. The watch also features a diamond-like carbon coating to provide a more scratch- and wear-resistant display that greatly improves glass quality and durability. The Amoled screen offers optimal pixel densityi, making the display clear and exquisite. Vivid colors provide smooth readability. SpO2 is an important indicator of human health, so the Amazfit GTS 2 introduces a SpO2 measurement function. he Amazfit GTS 2 integrates the BioTracker 2 developed by Huami, providing accurate 24-hour heart rate monitoring that covers heart rate zones and provides alerts when your resting heart rate is abnormally elevated. The Amazfit GTS 2 supports in-depth sleep monitoring that can more accurately determine sleep stage (light, deep, and REM sleep periods, monitor sleep breathing status, and provide sleep quality analysis and improvement suggestions based on a night's sleep.