Your Fitness Tracker: 8 sports modes are optional, full touch screen. It can also monitor your steps, mileage, calories. Suitable for outdoor exercise and helps you make a scientific fitness plan. Heart Rate/Sleep Monitoring: Supports detection of heart rate, blood pressure, blood oxygen. It can also track sleep conditions, monitor sleep quality. Measurement data can be synchronized to the APP in time. BT Music Control: Control the music play, switch the song, and pause/start playback, support BT call. The 1.28-inch color touch screen can achieve a variety of operations. 240mAh Long life Battery: BLE connection use 7-10 days, dual BT state use 3-5 days, continuous talk or music playback for 5 hours, can store 30 songs, play music in a separate memory offline, up to 1000 contacts synchronized, recording, call display, massage reminder. Multifunctional Smart APP: Download APP "Diri Fit" and connect, it can achieve functions like setting the alarm clock, message push/call reminder, sedentary reminder, music control, etc.