Amazfit Bip U

1.43" large hd display: amazfit bip u has a customized 1.43" hd stylish square screen which offers a larger display area than a round watch face of the same width, so it can carry more information." long 9-day battery life: this smartwatch deeply optimizes the power consumption of the components to bring long-lasting endurance of 7 days while keeping a slim watch body, which enables you to avoid frequent charges. more health metrics: the amazfit bip u fitness smartwatch precise optical monitoring allows you to accurately track heart rate, blood oxygen levels, stress levels, breathing, quality of sleep, and sleeping patterns. super lighweight design: amazfit bip u only weigh about 31 grams. an ultra-light design you can barely feel when striving for peak performance. women's health tracking: with the female period tracking system bip u records and predicts the female menstrual cycle and send smart notifications reminders.