Track SpO2 and Heart Rate with improved sensor. Track activity goals steps sleep and more. Tether GPS track with distance and path. Notifications for calls texts apps and calendar. Up to 2 week of battery life (based on usage). Alexa built-in for voice control. Fossil smartwatch app. Navy silicone strap with traditional tang closure. Navy dial with mechanical hands and hour markers. Strap is interchangeable with compatible 24mm wristbands. Double push button closure. Case size: 45mm. Water resistant to 30 M.