Diameter: 50mm Thickness: 15.5mm. Weight: 80gr. GPS. Compass. Altimeter. Route navigation. Speed and distance tracking. Training programs for running, cycling and swimming. Heart rate indicators . Compatible with Suunto Apps. Bluetooth. Water resistant to 5ATM. Rechargeable lithium-ion battery. Up to 25 hours of battery with GPS. Stopwatch function. Timer. Alarm clock. LED backlight. Language: EN, DE, ES, FI, FR, IT, NL, PT, SV