Sigma R1 Duo Comfortex chest heart rate monitor with Bluetooth and ANT+ model 20332

Chest Heart Rate Monitor Sigma R1 Duo Comfortex with Bluetooth and ANT+ model 20332

Reliable Heart Rate Monitoring During Training

The Sigma R1 Duo Comfortex chest heart rate monitor is a modern and accurate device designed for athletes, fitness enthusiasts, and anyone who values health tracking. Combining ANT+ and Bluetooth Smart (BLE) technologies, the device is compatible with a wide range of sports gadgets and mobile apps.

The comfortable textile strap ensures a snug yet soft fit against the body, preventing irritation even during extended wear. The R1 Duo sensor transmits real-time data, enabling precise heart rate tracking and adjustment of physical activity according to your body's needs.

Compatibility and Versatility

The Sigma R1 Duo Comfortex supports both major wireless data transmission standards — ANT+ and Bluetooth Smart. This makes it a universal solution for connecting to bike computers, sports watches, smartphones, treadmills, and various fitness applications including Strava, Wahoo, Sigma Link, Komoot, and more.

Comfort and Reliability in Every Move

The sensor is mounted on the Comfortex+ textile strap, which is easily adjustable in length and doesn’t slip, even during high-intensity workouts. It doesn’t absorb sweat and dries quickly after washing. The sensor is moisture-resistant, making it suitable for use under high-load and high-humidity conditions.

Everything You Need Is Included

The heart rate monitor comes with the Comfortex+ textile strap, a pre-installed CR2032 battery, and a detailed manual. It’s ready for use right out of the box — simply connect it to your device and start training.

Technical Specifications

• Brand: Sigma

• Country of brand registration: Germany

• Material: textile, plastic

• Size: universal (adjustable from 60 to 110 cm)

• Color: black

• Weight: 47 g

• Gender: for men, for women

• Condition: new

• Data transmission type: ANT+, Bluetooth Smart (BLE)

• Power supply: CR2032 battery (included)

• Battery life: up to 1 year

• Heart rate measurement range: 30 to 240 bpm

• Measurement accuracy: ±1 bpm

• Water resistance: moisture-resistant (splash-proof)

• Sensor: R1 Duo ECG-based sensor

• Strap: Comfortex+ (removable, hand washable)

• Compatibility: Sigma, Garmin, Wahoo, Polar, Android and iOS smartphones

• Operating temperature range: –10 to +50 °C

• Package contents: R1 Duo sensor, Comfortex+ strap, CR2032 battery, manual

• App connectivity: supports training platforms via BLE/ANT+

• Purpose: for cardio workouts, cycling, running, fitness

• Device support: smartphones, sports watches, bike computers, and other BLE/ANT+ equipment