Sigma R1 DUO chest sensor ANT+/Bluetooth

Do you like to keep an eye on your health? The R1 DUO ANT+/Bluetooth sensor from the popular Sigma brand will undoubtedly appeal to you. With ECG accuracy, it reliably measures your current heart rate. In addition to your heart rate, the Sigma also sends a warning when the battery is low. The battery has a service life of more than 1.3 years when used for 1 hour a day. The sensor is placed on a light, tight and very comfortable textile strap, which can be easily hand-washed. The R1 DUO is a great accessory for your bike and you should definitely not be without it. 

Key Features of the R1 DUO ANT +/Bluetooth Sensor

• The Sigma sensor measures your heart rate with surprising accuracy
• For better contact with your skin they feature a laminated electrode
• The battery life of the sensor is very long
• The textile strap is very comfortable and can be easily hand-washed
• The Sigma R1 DUO will become a great companion on your journey

For models:
Sigma ROX 11.0 GPS, all devices with Bluetooth Smart, all devices with ANT+, iPhone version 4S (and higher), Android from version 4.3 (and higher) + Bluetooth Smart (Bluetooth 4.0 and higher)