The optimal pixel resolution ensures an exquisite visual display, making all incoming calls, messages, and reminders extremely clear. There are 50 watch faces available to match your mood and outfit, or you can upload your own photos for an even more personalized watch face. The Bip U also supports animated watch faces, making every glance at your watch a unique experience. With the customizable module, you can select and display the information that matters to you on your watch's home screen, such as time, date, weather, heart rate, and more. Its ultra-lightweight design makes it feel almost unnoticeable while you strive for peak performance. The Bip U records your training data so you can train at a higher level. You can check your running distance, speed, heart rate changes, calorie consumption, and other key factors, such as whether you are training in your fat-burning zone or your cardio zone based on your heart rate, and you will receive immediate alerts if your heart rate becomes too high.