The watch offers the following functions:

- Listen to music directly from the watch: yes, the watch has a music function and can store up to 500 songs.
- Measure altitude metres (stair climbing etc.): The watch measures changes in altitude, which could be relevant for stair running.
- Daily training suggestions: This function is not explicitly mentioned in the information provided.
- Garmin Coach for strength training: This specific function is not listed in the information provided.