Fitbitのスマートウォッチ｢Versaライトエディション｣レビュー：シリーズの中でいちばん安くていちばん優秀

Fitbit Sense 2 vs. Versa 4 smartwatches: My honest (and slightly opinionated) take

Fitbit Versa 4 Fitness Smartwatch - built-in GPS, 6-day battery life, Android & iOS compatible - Waterfall Blue/Platinum Aluminium

Fitbit Versa 2 Health and Fitness Smartwatch with Heart Rate, Music, Alexa Built-In, Sleep and Swim Tracking, Black/Carbon, One Size (S and L Bands Included)

Sources: Fitbit Versa 4 and Sense 2 to bring back side button, here's a first look

First Fitbit Sense 2 and Versa 4 update rolls out: Screen cover gesture and on-wrist calls