Amazon.com: Fitbit Luxe Fitness and Wellness Tracker with Stress Management, Sleep Tracking and 24/7 Heart Rate, Black/Graphite, One Size (S & L Bands Included) : Sports & Outdoors
Amazon.com: Fitbit Sense 2 Advanced Health and Fitness Smartwatch with Tools to Manage Stress and Sleep, ECG App, SpO2, 24/7 Heart Rate and GPS, Lunar White/Platinum, One Size (S & L Bands
Fitbit Takes On Samsung With New Sleep Analysis Feature - CNET
Is Fitbit working on successors to the Luxe, Sense and Versa?