1. Multi-function. Altimeter, pressure measure, thermometer, weather predict, is ideal for climbing, traveling, etc.
2. Compass function is necessary for outdoors activity.
3. Sports partner, as a pedometer, it can record calories, distance, mileage, metronome data for 7 days.
4. Stopwatch, countdown, timekeeping for convenient sports using.
5. Waterproof. It can be used for swimming and outdoor activity. Don't worry about getting wet when you wash your hand.6. Also with alarm, two-place time, 12/24 hour setting function.