How is this still not possible in 2024, on devices like 1050? Afaik, Hammerhead, and most other smart devices already have these options. Bluetooth has been here for ages.This should be in by default on all devices, or at least the 50 series.
For example, nowadays, many cyclists ride with headphones such as Shokz connected to their phone, but Garmin only has the option of navigation alerts to your phone, while you can't hear other sounds, notifications, radar alerts (needs a separate app), etc. It should be simple to just have the phone (with headphones) as the output option for ALL sound. Then, you could listen to music from a phone while also getting all the sounds from the device there as well.