HUAWEI Band 7 is a smart band equipped with continuous blood oxygen measurement, 1.47 inch AMOLED full view display, and a powerful battery that lasts for 2 weeks. HUAWEI TruSeen (TM) 4.0 heart rate monitoring, HUAWEI TruSleep (TM) 2.0 sleep monitoring, HUAWEI TruRelax (TM) stress monitoring, and up to 96 workout modes to help you manage your daily health.