Features: 1.Durable: Rugged smart watch is a unique combination of composite material and metal housing that ensures durability and functionality. Shockproof and anti magnetic. Designed with a fully enclosed slim case, it supports daily water and dust resistance and cannot be worn for swimming. 2.Bluetooth Calling: HD touch screen watch is equipped with bluetooth chipset and speaker to answer calls, play music, read messages, store contacts, and view call history. In addition, it will vibrate to alert you when you receive a message or app notification. 3.1.85 Inch Touchscreen: Military smart watch is compatible for Android 4.4 and for IOS 8.0 and higher. Equipped with a touch screen, it is a large 1.85 inch HD color screen with 240x280 resolution. The enhanced color saturation provides a clearer, brighter and more detailed visual experience. 4.350mAh Battery: Rugged military smart watch has a built in 350mAh battery, which can enjoy up to 5 to 7 days of activity and 30 days of ultra long standby after a full charge. Convenient for your short term outdoor activities and adventures. 5.Multiple Sports Modes: Rugged outdoor watch features multiple sports modes such as walking, running, cycling, skiing, hiking, swimming, baseball, soccer and basketball. It can automatically and accurately record your sports data to help you exercise scientifically, which is the best choice for fitness enthusiasts. 6.All Round Monitoring: Military smart watch supports body data monitoring and sleep monitoring, helping you to better analyze your status and adjust your life style. With weather forecast, alarm clock, camera control, music control, timer, sedentary reminder and more useful functions. specification:Item Type: Rugged Smart Watch Material: Aluminum Alloy, LCD System Requirements: for Android 4.4 And Above, for IOS 8.0 And Above, Support Bluetooth 5.0 Bluetooth Version: Bluetooth 5.0 Main Control Chip: for Realtek 8762DT Memory: Flash 64MB Dial Size: 1.85 Inches Screen Resolution: 240 x 280 Ips HD Screen Speaker: 0916 with External Speaker Battery Capacity: 350mAh (Included) Type: Lithium Battery Charging Method: Contact Magnetic Charging Standby Time: About 15 Days Working Time: About 5 to 7 Days Motor: Built In, Vibration Alert Function: 1.85 Inch Ips HD Screen Full View Easy To Replace The Strap, Standard 22mm / 0.9in Massive Dial Push,Custom Dial Bluetooth Call, Bluetooth Music, Weather Display Time Display, Pedometer, Calorie, Distance, Sleep Time, On/Off Display, Stopwatch, Multi Sport Mode Sleep Monitoring (Sleep Time, Sleep Quality) Caller Notification, Message Reminder, Multi Language Push, Alarm Clock Reminder, Remote Photo, Sedentary Reminder Multi Language Bracelet Support Large 350 mAh Battery, Long Standby Time Sync Data To for Apk or App App Or Apk Download Method: For Android And for IOS App Synchronization for Da Fit By Scanning To Download And Install for Dafit PackageList: 1 x Watches 1 x Charging Cable 1 x Instruction Manual Note1. For IOS system for IOS store, for Android phones in the related application Store search for Da Fit APK download and install. 2. Manual measurement, please allow slight error.