The Amazfit Bip U smart watch is your first step into smart fitness. With its large color screen and 50+ watch faces, you can see information important to you at a glance and in tremendous clarity. The Bip U can monitor your blood-oxygen levels, heart rate and sleep quality, and train your breathing to regulate stress levels. It also features 60+ sports modes for a comprehensive approach to smart fitness, and the lightweight design is waterproof to a depth of 50 meters.