Bryton Smart Ant+/Bluetooth Heart Rate Sensor - Black

The Smart Heart Rate Monitor uses both ANT + and Bluetooth technology.
It transfers your heart rate wirelessly to bike computers and smartphones.
The Smart Heart Rate Monitor has a soft elastic band so that it is comfortable.
With the application of dual technology, ANT + and Bluetooth,
the Smart Heart Rate Monitor can connect to both bicycle computers and smartphones.
It is compatible with most available devices.
Measure your heart rate accurately and record results on your device for instant feedback or for later analysis on Strava, TrainingPeaks and other training sites.

Specifications
Model: Smart heart rate monitor
Wireless technology: Bluetooth 4.0 and ANT +
Measurement: Heartbeat
Universal holder: Adjustable
Without magnets: No.
Waterproof: IPX7
Battery: Replaceable
Battery life: one hour a day, about 24 months
Operating temperature: From -20º to 60ºC, (from -4º to 140ºF)