Fitbit's Charge 3 adds a better screen, swim tracking, and smartwatch-style features - The Verge
Fitbit Charge 3 review | Tom's Guide
Wepro Waterproof Bands Compatible with Fitbit Charge 4 / Charge 3 / Charge 3 SE for Women Men, 3-Pack, Small, Large Dark Green/Slate Blue/Black Small 5.5"-7.1"