Polar Bluetooth Smart Speed & Cadence Sensor | Black Set Clocks Built to last

Built to last

Model: SS021630000

the Square Chronograph is both durable and sophisticated - ready for any situation

with its tough

Bezel: Steel black PVD-plated

Polar Bluetooth Smart Speed & Cadence Sensor | Black Set Clocks Built to lastBoost your cycling performance with the advanced technology of the Polar Bluetooth Smart Sensors. Together, the cadence and speed sensors help you gauge your most efficient pedaling rate based upon your speed and distance. The Bluetooth Smart technology syncs all of this data to your smartphone via Polar Flow. Polar Flow is a mobile application that is especially great for setting goals and tracking your progress. [Details] Compact and lightweight