Fitbit Inspire and Inspire HR Fitness Trackers Launched Following the company's return to profitability a year ago, the goal of expanding their corporate deals is likely a smart one, with consumers becoming more interested in full fledged smart watches with health features, and less with simpler fitness trackers. The slightly more advanced Inspire HR, also offers heart rate tracking and Global Positioning System. The Fitbit Inspire, features daily activity and sleep tracking, and alerts for calls, text, and calendar events
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– https://www.usatoday.com/story/tech/2019/02/08/fitbit-quietly-launched-new-device-thats-available-through-work/2817795002/

Source: https://www.youtube.com/watch?v=Vq4DWjU_L78