Everything you need to use your GPSMAP 276C when your in your vehicle is contained. This includes a portable friction mount that holds the unit securely in place, even on contoured dashes. The adjustable automotive mount has a bracket that swivels and tilts for optimum viewing. Bracket is hardwired to 12-volt adapter cable and speaker so you can charge and operate your GPSMAP 276C while driving and get amplified voice commands with adjustable volume.