Polar M200 Black GPS Running Multi Sports Activity Tracker Watch S-M Strap

Optical Heart Rate - Continuous, accurate heart rate without a chest strap. FlowSync compatible with computer running Mac OS X 10.6 or later and Windows XP, 7, 8, 10 Integrated GPS - Speed, distance and route tracking Activity Monitoring - Follow your daily activity and sleep 24/7 Mobile Connectivity - Seamless communication via Bluetooth Smart to Polar Flow app on mobile devices Running Program - Free running plan made just for you and your needs. NOTE: Refer start-up guide and user manual before use Water Resistance: Waterproof (suitable for swimming). Thickness 1.2 centimeters