Amazon.com: Fitbit Versa 3 Health and Fitness Smartwatch, Amazon Exclusive Color, GPS, 24/7 Heart Rate, Alexa Built-in, 6+ Days Battery, Thistle/Gold, One Size (S & L Bands Included) : Sports & Outdoors
Solved: Versa heart rate sensor not working properly - Fitbit Community
Amazon.com: Fitbit Versa 2 Health and Fitness Smartwatch with Heart Rate, Music, Alexa Built-In, Sleep and Swim Tracking, Bordeaux/Copper Rose, One Size (S and L Bands Included) : Electronics
Solved: Versa heart rate sensor not working properly - Fitbit Community
Fitbit Sense review: enough bugs to raise your heart rate - The Verge