ParametersDisplay: 1.90" Square Screen Resolution: 280 x 320 Type: IPS Round LCD Bluetooth: Bluetooth 5.3 Technical SupportApp: Joeme fit Supported SystemsiOS:Supports iOS 10.0 and above Android:Supports Android 5.0 and above HarmonyOS: Full support Main FunctionsKey Features:SOS, Red Light Blood Oxygen, Non-invasive Blood Sugar, Met Detachment, Calling, 108 Sport Modes Daily Functions: Step counting, Distance, Calories, Voice Assistant, Heart Rate, Blood Pressure, Body Temperature Testing, Sleep Monitoring, Female Period Tracking, Lift Wrist to Wake, Water Drinking Reminder, etc. Watch Faces: 3 default watch faces and 1 market watch face and 1 watch face Menu Style:7 built-in menu styles Package Includes1 x Packaging Box 1 x Smart Watch 1 x Charging Cable 1 x Manual 2 x Watch strap Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store