Applications :
Amazfit Band 5 Fitness Tracker with Alexa Built-in, 15-Day Battery Life, Blood Oxygen, Heart Rate, Sleep Monitoring, Women’s Health Tracking, Music Control, Water Resistant|Say goodbye to daily recharging. With a fully charged Amazfit Band 5, you don’t need to carry a charger for a two-week trip|The new 1.1 “color AMOLED display provides a larger and clearer viewing experience|Two built-in custom watch faces and 45+ watch faces are available to download from the app, and you can alternatively choose an image or your own personal photo as the watch face|When you feel unwell, especially during long-term intellectual or physical work, high-intensity workouts, or in high-altitude, low-oxygen environments, you can immediately measure your blood oxygen saturation and understand your fitness|Amazfit Band 5 professionally interprets the characteristics of sleep in each stage and analyzes the quality of sleep, to help you adjust your sleep habits. It even monitors his daily 20 minute nap|Record distance, speed, heart rate changes, calories burned, and other data during your workouts. Water resistant up to 5 ATM, Amazfit Band 5 can support all your daily activities and you can use it while swimming, it will record your swimming data.