1、Main Functions: GPS and Beidou speed matching, mountaineering and diving and other sports modes, sports records, individual records, sports tracks, tracking navigation, compass, screen always on, weather forecast, step counting, heart rate, mileage, search, calories, Bluetooth, message reminder, alarm clock. 2、Clear Display and Independent Chip: Diving computer watch has negative semi reflective constant light LCD panel, which can be clearly seen in strong outdoor light. Built in independent chip, no need to insert a card, no subsequent costs. 3、Reliable Performance: Multiple GPS exercise modes (running, walking, cycling, Triathlon, mountaineering, diving), dynamic heart rate, exercise heart rate warning, tracking navigation, various exercise log storage, track storage. 100M high water resistance (swimming and diving). 4、Product Language: Scuba diving watch supports simplified Chinese, traditional Chinese, English, Japanese, German, Italian, Spanish, French. 5、Outdoor Sports: Sports watch is suitable for outdoor running, fitness, mountain climbing, diving, cycling and other outdoor activities. 6、Waterproof and Rainproof: The diving watch is made of stainless steel and silicone materials, which is durable, waterproof and rainproof. Item Type: Sports Watch Material: Stainless Steel, Silicone Battery Type: Lithium Battery (Shipped with Built in Battery) Battery Capacity: 320mAh Weight: Approx. 260g / 9.2oz Product Function: Location: combined with GPS GLONASS Beidou satellite, fast and accurate Track 50 locations, and display the longitude, latitude, direction and distance of the target location. Track our route and map display in the app Triathlon Tracking: running, swimming and cycling Snorkeling: diving depth, diving time and water temperature Barometer, altimeter, compass, temperature, weather forecast Heart Rate Monitoring: including trend chart, maximum, minimum, average and current heart rate and heart rate alarm Swimming: monitoring time, laps, distance, speed, calories, heart rate, etc. Bicycle: monitoring time, laps, distance, speed, calories, heart rate, etc. Running: 3D pedometer, walking, calories, distance, time, speed, heart rate, route tracking, history, etc. Training: smart partners, training programs 48 hour air pressure trend chart 7 x 24 hour altitude trend chart and climb rate Digital compass, bubble level, geographical location Support Bluetooth application connection, application name is HARD Individual, history, sports ranking Languages: English, German, Italian, Spanish, French, Chinese Backlight, 10ATM waterproof USB charging 1 x Watch 1 x Charger 1 x Manual 1 x Cloth