Take Your Fitbit Luxe to the Next Level with SpO2 Tracking and Always-On Display Mode - Fitbit Blog
Fitbit Luxe Review
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
Fitbit Luxe Activity Tracker Review: It's Not Just For Fashion