Product Description -

Rugged GPS watch built to withstand the toughest environments.Supported Application:Phone. . Wireless comm standard:Bluetooth. Constructed to U.S. Military standard 810G for thermal, shock and water resistance (rated to 100 meters). Built in 3 axis compass and barometric altimeter, plus multiple global navigation satellite systems (GPS, Glonass and Galileo) support helps track in more challenging environments than GPS alone. Monitor your estimated heart rate, activity and stress; Train with preloaded activity profiles. Strap material: Silicone