1、Metal Material: This smart sports watch is made of high grade metal, sturdy and durable, rainproof and waterproof, durable and long lasting. 2、Multi Function: Multiple functions such as sports records, weather conditions, etc. It can also be used as a regular watch or a decorative item. There is an app, easy to check the data. 3、Comfortable to Wear: The sports watch is made of nylon, sturdy and stable, comfortable to wear and easy to use. 4、Built in Lithium Battery Power Supply: Hiking digital watches use built in lithium battery, easy to charge, not easy to worry about running out of power. 5、Application Scope: Altimeter watch is the best choice for outdoor fishing activities, also suitable for hiking, outdoor sports and so on. Item Type: Sports Smart Watch Weight: 233g / 8.22oz Material: Stainless Steel, Nylon Battery Type: Lithium battery (shipped with built in battery) Battery Capacity: 400mAh Screen: 1.28in IPS TFT full touch HD screen Navigation: Dual core, tracking navigation, 10 groups of target point tracking, display target point latitude and longitude, bearing and distance. Professional Sports Data Analysis: Running, Cycling, Hiking, Triathlon, Snorkeling, Swimming, Fishing, Compass, Weather Forecast, Dynamic Heart Rate, Altitude, Barometric Pressure, Best Individual Record, Historical Data Storage etc. Multiple Sports Modes: Outdoor, Indoor, Cycling, Hiking, Marathon, Race Walking, Scuba Diving, etc. Exercise Data: Calories, Dynamic Heart Rate, Exercise Time, Steps, Speed, Distance, Exercise Trajectory Function: Sleep monitoring, sedentary reminder, remote self timer, music control, metronome, alarm clock, countdown and stopwatch, etc. Language: Simplified Chinese, Russian, English, French, Spanish, Italian, Portuguese, German, Indonesian, Japanese, Korean, Malay Bluetooth: BT 4.0, for Android 4.4, for ios 9.0 USB Charging: charging 3 hours, use 10-15 days, standby 30 days Waterproof: 50M waterproof 1 x Watch 1 x Charging Cable 1 x Cloth 1 x Instruction Manual