Respiratory tracking was just added to the FR245. Here's some proof. Mine updated to 3.90 last night and I noticed the Health Stats page had a new empty slot at the bottom. :
Tempered Glass Protective Film Guard For Garmin Forerunner 245/245M Music FR245 Watch Smartwatch Display Screen
Garmin Forerunner 245 Music GPS Watch In-Depth Review | DC Rainmaker
Garmin Forerunner 245 Music GPS Watch In-Depth Review | DC Rainmaker
Garmin Forerunner 245 Music GPS Watch In-Depth Review | DC Rainmaker
Garmin Forerunner 245 Review: Detailed and practical - Fitness Gadgets
My first week with the FR 245, absolutely love the amount of data it can capture. Having used fibit and Apple watch for many years, I can confirm Garmin is the best
Garmin Forerunner 245 Music – Front Runner Athletics
Garmin Forerunner 245 Music GPS Watch In-Depth Review | DC Rainmaker
Garmin Forerunner 245 Music Review: 11 New Things To Know // Hands-on Details - YouTube
From fr210 to fr245 | Scrolller
Garmin Forerunner FR245 GPS Multi-Sport Outdoor Running Marathon Smartwatch, Sports Equipment, Other Sports Equipment and Supplies on Carousell