Features: [Stylish Smartwatch] 1.4-inch square screen combines with the round 2.5D curved surface, and 9.2mm ultra thin watch body, making stunning visual experience and elegant looking. [Health Monitor] Equipped with advanced optical sensor, accurately monitor your heart rate, blood pressure, blood oxygen(SpO2) in real time, additionally your sleep status at night. [Activity Tracker] Supports tracking the mainstream sports like walking, running, cycling, basketball, etc. with real-time heart rate and calories consumption showed on your wrist. [More Features] 28 language packs for the supported App, Notifications reminder, stopwatch, remote shutter, and music control for more convenient use. Parameters: Screen Size: 1.4 inches Screen Type: TFT Resolution: 240RGB*240 Flash Memory: RAM 64KB, ROM 32MB App: Da Fit BT: BT4.2 Charging Time: about 2.5 hrs Play Time: 5~7 days Standby Time: 25 days Compatibility: Compatible with Android 5.1 or later, iOS 8.0 or later. Functions: Activity Tracker (pedometer, mileage, calories), Workout Mode, Notifications, Heart Rate Monitor, Blood Pressure Monitor, Sleep Monitor, SpO2 Monitor, Stopwatch, Remote Shutter, Music Control, Multilanguage. App Language(28 in total): Danish, Ukrainian, Russian, Bulgarian, Bokmal, Norwegian, Hindi, Indonesian, German, Italian, Czech, Japanese, Pushto, French, Polish, Thai, Swedish, Simplified Chinese, Traditional Chinese, Finnish, English, Dutch, Portuguese, Spanish, Vietnamese, Arabic, Korean UI Language: English, Chinese, Japanese, Korean, German, French, Spanish, Arabic, Russian, Traditional, Ukrainian, Italian, Portuguese, Indonesian, Thai Specifications: Material: Plastic, Aluminum Alloy, Silicone, Stainless Steel Color: Black Watch Case Thickness: 9.2mm Wristband Length: 255mm, adjustable in 155~235mm Item Size: 36.6*43*9.2mm / 1.44*1.69*0.36in Item Weight: 46g / 1.62oz Packing List: 1 * Watch 1 * Charging Cradle 1 * User Manual