1.4" AMOLED display. Tested to US military standards for thermal shock and water resistance. SOS and the Garmin Response Center. Satellite Messaging and LTE Connectivity capability. Built-in speaker & microphone. Advanced Map Navigation. Stay in reach wit

Details 1.4" AMOLED display. Tested to US military standards for thermal shock and water resistance. SOS and the Garmin Response Center. Satellite Messaging and LTE Connectivity capability. Built-in speaker & microphone. Advanced Map Navigation. Stay in reach with GarminMessenger app LiveTrack following and Location check-ins. Performance features such as PacePro ClimbPro Training status and more. Supports activities with MTB Dynamics Multisport profiles Cross Training etc. Case size: 51 x 51 x 16.5mm. Band fits wrists 127-210mm in circumference.