Item Type:Smart WatchWaterproof rating: IP68Screen size: 1.28inScreen type: TFT-LCD round color screenScreen cover: high hardness glass coverMaterial of bottom shell: zinc alloyWristband material: SiliconeRetaining ring: silicone single colorBuckle: 303 stainless steel polished surfaceWatch Size (L x W W x H) : about 46.9 * 11.8 * 260mmBody Size (L x x W x H) : about 46.9 * 11.8 * 51mmWatch weight: about 75.5gScreen resolution: 240 * 240 resolutionWorking voltage: 3.7VBattery capacity: 200mAhBattery type: polymer lithium batteryCharging method: contact charging, clip chargingCharging time: ≤2 hours, 25 ℃ constant temperatureCompatible: for IOS 9.0 and above, for Android 4.4 and aboveWorking temperature: -20 ℃ to 40 ℃Charging temperature: 0 ℃ to 40 ℃Multi-language: English, Simplified Chinese, Traditional Chinese, Japanese, French, German, Italian, Spanish, Russian, Portuguese, Malay, PolishFeatures:-Improved AccuracyThe dual LED bio-tracking optical sensor combined with intelligent hr algorithm sensor to ensure 7/24 real-time heart rate tracking accuracy and consistency, making the smart watch for Vigorun more intelligent than ever and analyzing to track your sleep for helping you adjust your healthy lifestyle.-10 Days Battery LifeThe fitness watch equipped with 200mAh battery and low power consumption chip that can run for more than 10 days in only 2-3 hours of charging time!-Your Swimming PartnerThe watch is 50 meters waterproof and military standard durability can help you challenge more active sports. Wear a fitness suit to swim or do some other favorite sports.-12 Sports ModesChoose among 12 sports modes, you can get real-time status during exercise, and connect to your smartphone to get more accurate real-time routes and distances.-All in One FunctionIn simple terms, this smart watch is the universal housekeeper for your life. After waking up, you will not miss any schedule through the calendar reminder, and you can view the weather forecast. During commuting, please check the messages, calls and notifications received on the road. When exercising, use the stopwatch and timer functions to better optimize the exercise.Package Includes:1 * Smart Watch1 * User Manual1 * Charging Cable