A forthcoming chest-worn heart rate monitor from Suunto has been spotted in a filing with the US Federal Communications Commission, signalling a refresh for the brand’s wearable sensor lineup. The device, identified by the model designation SHRM2, appears set to replace the company’s current Smart Heart Rate Belt with a renewed focus on wireless connectivity and battery design.

Updated power and connectivity

According to the FCC documentation, the SHRM2 will rely on a replaceable CR2032 battery. This represents a shift from the smaller cell used in Suunto’s existing model and hints at potentially longer operational life between changes. Bluetooth Low Energy support is also confirmed in the filing, pointing to a move toward a more recent Bluetooth standard that typically offers improved efficiency and pairing stability.

Built for wet conditions and multi-brand use

Durability and compatibility

The listing further specifies 30 meters of water resistance, a rating that matches the current belt and ensures the monitor remains suitable for swimming and other water-based activities. While the filing does not disclose extra features or a launch timeline, the emergence of the SHRM2 indicates Suunto is preparing to update its chest-strap portfolio after a lengthy pause without major hardware revisions. For athletes using Garmin or Polar smartwatches, the broader market already includes established chest straps such as the Polar H10 and the Garmin HRM 200, which offer comparable ECG-based heart rate tracking across multiple brand ecosystems. Further technical specifications and availability details will likely be confirmed when Suunto issues an official announcement.

Sources: fccid.io, gadgetsandwearables.com