Garmin Motorcycle power/audio cable  

The motorcycle power/audio cable for the GPSMAP 276C features bare wires to connect the GPS to a motorcycle's battery and a 2.5 mm female audio jack allowing connection of the GPS to headphones.

For use with 3.5 mm headsets, a 2.5 mm to 3.5 mm Garmin Jack Adapter is available.

Compatible with GPSMAP 276C, 278, 376C, 378 and 478.