Huawei Band 4 Pro - Smart Band Fitness Tracker with 0.95 Inch AMOLED Touchscreen, 24/7 Heart Rate Monitor, Indoor Outdoor Pro Tracking, Sleep Monitor, Built-in GPS, 5ATM Waterproof, Cinnabar Red

Brighter Colors, Smarter Life: 0.95 inch AMOLED touch screen, Resolution: 240 x 120 pixels. Connection: Bluetooth 4.2, 5 ATM water-resistant. System requirements: Android 4.4 or later; iOS 9.0 or later. Also the HUAWEI Watch Face Store offers various watch faces in different styles, such as sports, cartoons, intelligence and hi-technology. (available only on Android and availability may vary by region). 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. While you are sleeping, the device will continue to monitor your sleep while the invisible light causes no distractions. Oxygen Saturation Detection: Blood oxygen saturation (SpO2) is one of the important vital signs that can reflect the oxygen supply of the body. HUAWEI Band 4 Pro supports single-time SpO2 level measuring, helping you detect the level of oxygen in the blood whenever and wherever you need. 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, 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. Raise your wrist to check the notifications of messages or phone calls. Just a touch, Find Phone, Control Music Playback or Remote Shutter.