Question about Garmin Forerunner 255

The model "Forerunner 255 (46 mm, Fibre Reinforced Polymer, One Size)" with the product ID "010-02641-10" from Garmin does not have the music function. The music function, which allows up to 500 songs to be downloaded directly to the watch and listened to with wireless headphones, is only available on models labelled "Music" such as the "Forerunner 255 Music".