Brighter Colors, Smarter Life Featuring a stunning 0.95 inch AMOLED touchscreen of great color and contrast, HUAWEI Band 4 Pro provides you an ultimate visual experience. Now available in Pink Gold / Cinnabar Red / Graphite Black. Every Unique Side of You Express yourself by giving your device as much personality as you have. HUAWEI Watch Face Store1 offers various watch faces in different styles of sports, cartoons, intelligence and hi-technology for showing your mood. Smart Heart Rate Tracking Thanks to the professional optical devices, processing chips and AI algorithm, the HUAWEI TruSeen™ 3.5 monitors your heart rate accurately and provides intelligent vibration reminders if your heart rate exceeds the heart rate limit.2 While you are sleeping, the device will continue to monitor your sleep while the invisible light causes no distractions. Get Better Sleep Care Healthy sleep is the basis for healthy living. HUAWEI TruSleep™ 2.0 tracks your heart rate during sleep to recognize the four phases and analyze the sleep quality. Also, this device can identify 6 types of sleep problems and provide scientific recommendations3 for better sleep. Powerful Built-in GPS: Leave Your Phone at Home With built-in GPS, HUAWEI Band 4 Pro provides accurate and fast positioning services to free you from your phone. After completing your outdoors workouts such as running, walking, cycling or open water swimming,4 you can view your GPS data on the map. Push Yourself:Indoor / Outdoor Pro Tracking HUAWEI Band 4 Pro tracks all of your favorite sports activities with multiple sports modes: Outdoor / Indoor Run, Outdoor / Indoor Cycle, Outdoor / Indoor Walk, Free Training, Elliptical and Rower modes, and even Pool / Open Water swimming. Professional Data Helps You Train Better Thanks to the algorithm powered by FIRSTBEAT, you will get professional sports guidance based on the data of Heart rate zone, VO2max and recommended recovery time and training effect. Life Assistant on Your Wrist Raise your wrist to check the notifications of messages or phone calls. Just a touch, Find Phone, Control Music Playback7 or Remote Shutter8 is at your service. Live an efficient life with HUAWEI Band 4 Pro.