Features:[Exquisite Craftsmanship]Feature a 1.3" AMOLED screen with 360*360 high resolution, bringing clear and exquisite vision with vivid color. Soft silicone strap is comfortable and durable to wear.[Accurate Inbuilt GPS] Have access to all four global satellite systems (GPS, GLONASS, Galileo and Beidou) to help you plan your perfect adventure, track routes and guide to the destination anywhere in the world.[Health Monitor]Automatically monitor and record your heart rate, blood oxygen and sleep data, helping you adjust yourself for a healthier lifestyle.[Fitness Activity Tracker] Stratos 2 supports 18 motion modes, coming with training status to evaluate your recent exercise history and performance indicators.[User-Defined Watch Faces] More than 100 stylish watch faces offer a wide selection. You can also customize exclusive watch faces with your own pictures.[Long-Lasting Battery Life] With power optimization technology, Stratos 2 can last up to 25 days under battery saver mode, farewell to power anxiety.[50M Waterproof] Achieving 5ATM waterproof level, Stratos 2 can be worn worry-free for daily use or when swimming, easily adapting to various environments.[More functions] Weather, Music control, Remote camera, Alarm clock, Stopwatch, Timer, Find phone, DND mode, etc.Parameters:Screen: 1.3" Full-touch ScreenResolution: 360 * 360BT: 5.0Compatibility: Android 4.4 and above or iOS 8.2 and aboveGPS: Integrated GPS, GLONASS, GALILEO, BEIDOUApp: InfoWearBattery Capacity: 300mAhCharging Time: about 1.5HBattery Life: Up to 25 days (Battery Saver Modes); Up to 15 days (Typical Usage Scenario) Up to 10 days (Heavy Usage Scenario);Up to 40H (GPS Continuous Usage Scenario)System Language: English, Portuguese, Russian, German, French, Italian, Spanish, Turkish, Polish, Japanese (*Language availability may vary by region.)Specifications:Brand: ZeblazeModel: Stratos 2Case Material: PlasticStrap Material: SiliconeColor: Black / Gray / Blue (Optional)Water-Resistant Level: 5ATMDial Size: 46 * 46mmDial Thickness: 12.9 mmStrap Width: 22mmWrist Circumference: 130-235 mmItem Weight: 53g / 1.87ozPackage Size: 10.3 * 10.2 * 6.8cm / 4.06 * 4.02 * 2.68inPackage Weight: 207g / 7.3ozNote:* Please read the user manual carefully before using this product.* There may be 1-3mm error due to manual measurement.* There may be slight difference in color due to shooting angle and light. Please refer to the real object.Package List:1 * Smart Watch1 * Charging Cable1 * User Manual (English, Russian, Spanish, Japanese, Portuguese, German, French, Chinese)