2.02-inch OLED brand new 3D curved screen 485*520 ultra-high-definition resolution Smooth operation Main functions: Offline payment, message synchronization reminder, support for binding WeChat, QQ, Facebook, Twitter and other social QR codes, heart rate, blood pressure, blood oxygen, electrocardiogram, female menstrual period, body temperature, weather, compass, calculator, voice assistant, step counting, breathing training, sleep detection and other super functions Ultra-low power consumption, 2-3 days of ultra-long battery life, wireless charging, waterproof Brand new, equipped with original Apple packaging, watch, strap, wireless charger