Pioneer AVIC-S1 3.5-Inch Bluetooth Portable GPS Navigator Pocket-sized portable navigation system comes pre-loaded with map data of the United States and Canada Built-in SiRF Star III GPS and antenna provide fast and accurate positioning; rechargeable battery can run six hours between charges Features multiple search functions, bright and clear 3.5-inch LCD display, and built-in Bluetooth wireless technology for safe operation Receive navigational information by display or voice guidance via the built-in speaker, in your choice of three languages--English, French, or Spanish Dimensions: 0.7 x 4.1 x 3.5 inches (WxHxD); weighs 4.8 ounces