1.47 Spo2 Monitoring Throughout the Day Huawei band 7 has a built-in spo2 detection system that monitors your blood oxygen saturation 24/7. HUAWEI Fitness Tracker TruSeen 4.0 heart rate monitoring technology uses an optical lens and data-based data processing to accurately monitor your heart rate 24 hours a day. 1.47’’ FullView Screen Huawei band 6 has a 1.47-inch amoled fullview screen, the size of the display area is 1.48 times larger, and a low-frame 64% screen-to-body ratio. 2 Week Battery Life The endurance athlete in the wearables world, HUAWEI band 6 offers an incredible battery life of 14 days for typical use, and 10 days for heavy ones. 96 Different Exercise Modes When you're putting all your effort into working out, let huawei band 6 take care of the rest. Choose from up to 96 different exercise modes, and keep track of your heart rate.