1. GPS Smart Watches: This watch supports GPS, Glonass and Beidou navigation and positioning, and is perfect for mountaineering, cycling, diving and hiking enthusiasts. real altitude, atmospheric pressure, heart rate and exercise time, and has multiple sports modes to be perfect for walking, running outdoors, cycling, swimming, diving and mountaineering. 2.50m Waterproof Depth: The watch is designed and manufactured for swimming enthusiasts, so it has an effective waterproof depth of up to 50 meters (164 feet). 3. Clear Screen: The watch screen always provides a clear, easy-to-read display when exposed to sunlight. outside. 4. Health Mode: The watch has a real-time heart rate monitor, and it just tracks your heart rate anytime, anywhere. sleep time and status for you (please install the app on your phone first, then connect the watch and app via Bluetooth to view various real-time data on your phone). Functions: 1. GPS, Glonass, Beidou 2. Dive depth measurement 3. Full touch operation 4. Dynamic heart rate 5. Built-in multi-satellite positioning receiving system 6. Instant altitude 7. Instant air pressure 8. ambient temperature 9. compass 10. real-time diving depth 11.50M waterproof Latitude 12. instant and longitude 13. Abdominal rhythm 14. mobile messaging data 15. analyze various movement modes 16. outdoor history 17, screen luminous 18. low power consumption Packing list: 1*watch 1*instruction 1*charging clip