Polar Bluetooth Smart Speed & Cadence Sensor | Black Set Briefs Wireless connectivity via Bluetooth® with

Wireless connectivity via Bluetooth® with most smartphones and notebook computers

An included rain cover will thwart the unexpected elements and the luggage trolley compatibility makes traveling as smooth as ever

Adjustable removable waist strap with zipper pockets

with shades that vary from a chocolate brown to a dark black

and other accessories

Polar Bluetooth Smart Speed & Cadence Sensor | Black Set Briefs Wireless connectivity via Bluetooth® withBoost 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