Garmin Forerunner 255 and Forerunner 255S series smartwatches receive first beta build with bug fixes, improvements and new features - NotebookCheck.net News
Garmin Forerunner 255 and Forerunner 255s released with Music variants and up to 14 days of battery life - NotebookCheck.net News
Garmin Forerunner 255S review: running with the big dogs - The Verge