Dear friend, thank you very much for your support. This is a multifunctional sports smartwatch! This product has Adulty very useful features! For example, GPS positioning function, compass function, NFC function, you can open the door through your watch! Bluetooth call function, after connecting to the phone Bluetooth, you can make a phone call directly through the watch! AI voice assistant function, opening watch function through voice! There are also some medical functions that can monitor heart rate, blood pressure, blood oxygen, and electrocardiogram! And pay attention to your health! All of these are very useful features! (active matrix / organic light emitting diode) is an active matrix organic light emitting diode panel. Compared with the traditional liquid crystal panel, has the characteristics of faster reaction speed, higher contrast and wider viewing angle. Selling Points: 1.Display with Idle status 2.HD Bluetooth call (Dial or pick up,can synchronize contacts, call records, display caller name) 3.Personal Data Reviewing for Heart rate, Calories and Steps 4.Support NFC and voice assistant function 5.GPS positioning function 6.Compass function 7.Support localized UI languages in 24 countries 8.Support IP68 waterproof level 9.The dial market contains Adulty beautiful dials, which can be pushed by the APP. Customize watch faces, place photos. 5 different interface styles, which can be switched at will Standout Features Bluetooth calling, voice control, always-on screen,