VALDUS-VS02 Smartwatch Color: Black Watch Functions: [Languages: English, German, Spanish, French, Russian, Arabic, Japanese, Korean, Italian, Portuguese [Main Functions: Notifications, Bluetooth phone, multisport model-Watch, breathe training, dynamic heart rate & analysis, blood pressure, blood oxygen, sleep monitor, pedometer, sedentary reminder, drink reminder, remote camera, third-party weather, music control, find watch device, find phone, adjust LCD brightness, off-screen time adjustment, change watchface, DIY watchface, alarm clock reminder, call/SMS rejection, call reminder, do not disturb quick view mode, achieve goal notification, save messages, stop watch, flashlight [Notifications]: SMS, WeChat, QQ push, and other push options are available [Waterproof Grade]: IP68 waterproof [Watch Size]: 2.01 inches [Battery Capacity]: 280mAh App Used: Da Fit Can be downloaded from the QR code in the instruction manual.