New York (CNN Business) Apple is flexing deeper into health and wellness with a new Orangetheory partnership.

intense workouts on a new $129 device called the OTbeat Link, which connects to the Customers at the boutique fitness studios will soon be able to track their heart rates during theintense workouts on a new $129 device called the OTbeat Link, which connects to the Apple Watch . The new device replaces the heart rate device that Orangetheory requires participants to wear around their arms.

The fitness chain tracks users' heart rates and projects it on in-studio screens. Apple Watch and OTbeat Link users will now be able to see the data on their Apple device and access it on their iPhone.

The OTBeat Link is attached to the Apple Watch.

The partnership began because Orangetheory said Apple Watch connectivity is the "most common request" from customers, according to a press release. It also rolled out a new Orangetheory Fitness app for iOS to use with the OTbeat Link.

. Last month, Apple AAPL Peloton PTON This is the latest partnership between Apple and a growing fitness brand as the tech giant looks to reach more customers with different technology and a focus on personal healthLast month,announced a partnership with another popular fitness studio. The cycling and workout company rolled out a new Apple Watch app that also tracks users' heart rates.

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