How to connect Bluetooth headphones to a Garmin watch
Support: Getting Started with the dēzl™ Headset 200 - YouTube
Garmin Forerunner 255 Music - 010-02641-31-46 mm Case - Multi-GPS Running Watch / Smartwatch - with Music Function - Stone White/Black - Includes Bluetooth Headset : Amazon.de: Electronics & Photo
Bluetooth Headset Interface for ForeFlight & Garmin Pilot AUDIO ALERTS - Got Your Six Aviation
Buyr.com | Handheld GPS Units | Garmin dezl OTR700, 7-inch GPS Truck Navigator, Easy-to-Read Touchscreen Display, 7 Inch & BlueParrott B450-XT Noise Cancelling Bluetooth Headset, IP54-Rated Wireless Headset