This premium heart rate chest strap transmits real-time heart rate data via ANT+ and BLUETOOTH Low Energy, giving you more options to train indoors, outdoors, or even online. With the device you receive consistently accurate heart rate data on your Garmin device, in online training apps like Zwift or even on compatible fitness equipment during your workout at the gym. So no matter how you prefer to exercise, you'll get real-time, accurate heart rate data to push yourself to new heights.
Comfortable and practical: The soft strap of the HRM-Dual is comfortable to wear and also adjustable in size. Just remove the heart rate module and you can wash it. You don't run out of juice either. The battery lasts up to 3.5 years.

- Module: 62 x 34 x 11 mm
- Strap length: 63.5 to 132 cm
- Weight according to the manufacturer: 54.4 g
- Water resistance: 1 ATM*
- Battery: Replaceable, CR2032 (3 volts)
- Battery life: Approx. 3.5 years (with average use of 1 hour per day)
- Operating temperature: -5 °C to 50 °C
- Radio Frequency/Protocol: ANT 2.4 GHz radio transmission protocol; BLUETOOTH® 5.0 wireless technology
- Range: 3m
- System compatibility: ANT+, BLUETOOTH

(Translated with Google Translate)