HD AMOLED screen, smooth touch experience — Equipped with a 1.27-inch 360×360 resolution AMOLED HD display, equipped with a full-touch COF solution and a high-sensitivity touch IC, the picture quality is delicate and the operation is smooth and natural.All-weather health management, accurate monitoring — Built-in Tianyi Hexin 3602 heart rate sensor and red light blood oxygen sensor, support dynamic heart rate, blood pressure, blood oxygen, sleep monitoring and women's health management, and fully protect your physical condition.21 sports modes, help scientific fitness — Covering 21 sports modes such as running, swimming, cycling, basketball, mountaineering, yoga, etc., real-time recording of calories, steps, distance and heart rate, easily meeting diverse sports needs.Bluetooth 5.3 HD calls, message reminders are uninterrupted — Equipped with RTL8773EWE chip and BT5.3 Bluetooth, it supports dialing, call records, music playback, voice assistant and phone, WhatsApp, Facebook, Twitter, Instagram and other multi-platform message reminders, uninterrupted connection.Long battery life + rich practical functions — Built-in 300mAh battery, typical charging current 120mA, supports rich functions such as weather, alarm clock, music control, remote photography, etc., taking into account life, sports, and social interaction.