Features:[Meticulous Workmanship]With sharp edges and corners, Tank M1 features a tough sports style, highly resistant to impact, crush, dust, shock, corrosion and extreme temperature, making it a professional rugged smartwatch for outdoor activities. [Excellent Ergonomic Design]Tank M1 adopts a 1.72" IPS screen with 280*320 resolution for a great visual experience. The case is textured and super-soft breathable strap brings a comfortable wear. [Fitness Activity Tracker]Tank M1 supports 24 sports modes, which will record all-day activities such as steps, distance, calories to create an complete report for you.[50M Waterproof]Achieving 5ATM & IP69K waterproof level, Tank M1 can be worn while swimming, diving, raining, etc., easily adapting to various environments. [Health Monitor]Automatically monitor and record your heart rate, blood pressure, blood oxygen and sleep data, helping you adjust yourself for a healthier lifestyle.[Powerful Battery Life]Low-power chip and 380mAh battery provide an average daily use time of up to 15 days and standby time of 50 days, farewell to frequent charging.[User-Defined Watch Faces]Multiple exclusive dials can be switched at will and more free dials are available from DaFit Dial Store. [More functions]Breath training, Weather, Remote camera, Music control, Alarm clock, Timer, Stopwatch, Theater mode, etc.Parameters:Screen: 1.72" Full-touch Screen Resolution: 280 * 320BT: 5.0CPU: RealTek8762DKCompatibility: Android 6.0 and above or iOS 9.0 and aboveMemory: 64KB RAM+128M ROMBattery Capacity: 380mAhWorking Time: 15 days Standby Time: 50 days App: Da FitWatch Language: English (default), French, German, Italian, Spanish, Portuguese, Russian, Japanese, Korean, Afghan, Ukrainian,Arabic, Turkish, RomanianAPP Language: English, Arabic, Danish, German, Spanish, Finnish, French, Italian, Japanese, Korean, Dutch, Norwegian, Polish, Portuguese, Russian, Swedish, Thai, Ukrainian, Chinese, Traditional Chinese, etc.Specifications:Brand: KOSPETModel: TANK M1Case Material: Metal + PlasticStrap Material: SiliconeColor: Black / Green (Optional)Water-Resistant Level: 5ATMDial Size: 54.8 * 44.6mmDial Thickness: 14.8mmWatch Overall Length: 270mm Strap Width: 20mm Item Weight: 56g / 1.96ozPackage Size: 16.2 * 9.2 * 2.1cm / 6.38 * 3.62 * 0.83inPackage Weight: 149g / 5.26ozNote:* 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, French, German)