Fitbit Versa 4 vs. Fitbit Versa 3: What's changed? | Digital Trends
Amazon.com: Fitbit Sense and Versa 3 Charging Cable for Smart Watch, Official Product : Electronics
Amazon.com: Charger for Fitbit Versa 4/Versa 3/Sense 2/Sense, Replacement Charging Cable Cord Magnetic Dock Stand for Fitbit Sense 1/2, Versa 3/4 Smartwatch [2Pack, 1m/3.3ft] : Cell Phones & Accessories