Color Touch Display AMOLED multi-color touchscreen brings the seamless vision of a 2.5D display to your wristband. Check the time, receive notifications and track your workout with color and touch. @@ 5 ATM Swim Tracking @@ 24/7 Heart Rate Monitor @@ Built-in GPS @@ Multi-Sports Mode @@ Scientific Sleep Monitor @@ Camera Shutter Remote 24/7 Smarter Heart Monitoring Innovative hardware design using IR light, backed by intelligent AI, gives you precise, up-to-the-second heart rate data day or night with the HUAWEI TruSeen 3.0 precision heart rate monitoring system. Scientific Sleep Monitor TrueSleep 2.0, developed in collaboration with Harvard Medical School's CDB Center, identifies and corrects the 6 most common sleep-related issues, giving you more than 200 potential solutions and suggestions for better sleep. 12 Days of Typical Usage, Up to 7hrs with GPS on With a built-in GPS tuned for long-distance running and low-Power consumption, HUAWEI Band 3 Pro takes you further and tracks how far you've gone. Become a smarter runner with real-time evaluation of training effects, including VO2max and recovery time. Swim Smarter & Better Swim like a champ, with intelligent feedback to recognize and improve your strokes, in the pool and in open water. Water-resistant up to 50 meters, HUAWEI Band 3 Pro provides swimming data, such as calories, number of turns and average SWOLF, to improve your swimming. Convenient Camera Shutter HUAWEI Band 3 Pro doubles as a camera shutter remote when you take photos with your phone. Take better selfies, group photos and shots at distances without carrying an extra camera shutter remote. Find Your Phone Forgot where you left your phone? No worries! Using Bluetooth connection, HUAWEI Band 3 Pro can trigger your phone's ringer, even on silent mode, to help you locate your phone.