D13 fitness smart band
Quantity:
▶fitness tracker: pedometer, calorie counter, distance counter, sleep monitor (sleep time, sleep standard), heart rate monitor.
▶high-resolution large color touchscreen.
▶water proof:effectively protect the device from cold rain and splashes, you cannot use it in the shower or swim.
▶incoming call reminder, message notification, anti-lost remind (phones beyond the scope will remind), alarm clock remind, task remind activitie
▶sync data with android/ios mobiles