The Polar OH1 is a heart rate sensor to the optical reading by the arm,and is able to monitor the heart rate with the scanning system optical 6 led.

Transmits heart rate in real time and if used with the free app Polar Beat, you can see your results in real-time and with earphones to listen to the guide at the training.

Polar OH1 is equipped with internal memory with a capacity of up to 200 hours of data workout, so you can not use a smartphone and a sports watch.

You can easily sync data with Polar Flow, your free app of the Polar and the web service, via Bluetooth or with the computer via the adapter US.

Measures:
Weight: 19 g
Thickness: 11 mm
Weight Sensor:5 g
Weight range:12 g
Height:9.5 mm
Diameter: 29,85 mm

Materials: plastic, steel, polliammide, polyurethane

Heart rate measurement with the optical reading: Polar OH1 detect the heart rate thanks to the optical scanning system, 6-LED technology with Polar.
Heart rate transmission:Polar OH1 transmits your heart rate to the Polar products Bluetooth Smart compatible, numerous app fitness and gym equipment compatible.
Internal memory: Polar OH1 is provided with an internal memory with a capacity of up to 200 hours of training data. The data can be synchronized to the web service and app Polar Flow.
Comfortable elasticated arm: The rubber band of the Polar OH1 is thin and adheres to the arm so stable and comfortable. It is made from a soft fleece fabric and is machine washable.
Firmware Upgradeable: Polar OH1 is equipped with upgradeable software in wi-fi mode.
Long battery life: Polar OH1 has a range of up to 12 hours of training. The battery is rechargeable with the USB adapter (included).
Waterproof: Polar OH1 is waterproof up to a depth of 30 m.