Magellan Maestro 4040 4.3-Inch Widescreen Bluetooth Portable GPS Navigator Built-in AAA travel information, including member roadside assistance details and more Bluetooth hands-free calling for added safety (Compatible Bluetooth phone required, sold separately) SayWhere turn-by-turn voice guidance allows you to hear the name of the next turn 4.3-inch WQVGA full-color, anti-glare touch screen Measures 5.0 x 3.75 x 0.88 inches (WxHxD) and weighs 8.5 ounces