The intelligent heart rate sensor uses two technologies: ANT+ and Bluetooth. It wirelessly transmits your heart rate to bike computers and smartphones. The precise measurement of your heart rate and the recording of results on your device allow for immediate feedback or later analysis on Strava, TrainingPeaks, and other training sites.

Accessory type: Heart rate sensor with chest strap
Details:

• Universal, adjustable fit
• Waterproof according to IPX7
• Replaceable battery

Purpose: Universally applicable

Included: Sensor, battery, and chest strap.