Garmin n&uuml;vi 360 2.8-Inch Bluetooth Portable GPS Navigator High sensitivity integrated GPS receiver by for improved performance and reception WAAS enabled; flip-up antenna - includes MCX-type connector for optional external GPS antenna connection Bluetooth wireless Technology &#8722; enabling hands-free connectivity to mobile phones SD memory card expansion slot Text-to-speech &#8211; unit prompts you to &#8220;Turn right on Main St&#8221; instead of &#8220;Turn right in 500 feet&#8221;