Fitbit has quietly introduced a new activity and sleep tracking system, but, unlike the company's previous step meters, the laptop is only available from your health care plan or your employer.

Called the Fitbit Inspire and Inspire HR, the bracelets are "designed to facilitate the development of health habits for all," according to the website. Until now, there has been no marketing or flashy advertising on the latest offer.

CNBC reports that some users have located new portable devices on their websites.

"These special release trackers are available exclusively through the partners and clients of their organizations, participants and members, Fitbit health systems and the health system, as well as partners in their health system," says Fitbit. on the site.

The Inspire swim-proof is available in black and white color options. It can be worn as a bracelet or on a clip. The portable gadget has some basic features such as calories burned, call and text alerts, trip reminders and 24/7 heart rate monitoring.

Carriers can also monitor their sleep stages.

The Inspire has a battery life of up to five days, which is much longer than some other fitness tracking systems like the Apple Watch. Apple says its fitness trackers have a battery life of up to 18 hours.

No awards have been announced for Inspire and Inspire HR, but according to CNBC, it is the cheapest device in the business.

The cheapest adult Fitbit, Alta, is priced at $ 99.95 on

Fitbits were introduced as step counters in 2008. Since then, the devices have become much more economical in terms of health, well-being and fitness.

More: Is there a smarter smartwatch in your future?

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