Never get lost again with the compact, versatile, and easy-to-use AVIC-S1 from Pioneer. This pocket-sized portable navigation system provides reliable route guidance with a host of advanced functions for superb convenience and ease of use. Stylishly thin, it is easy to move from car-to-car or to take with on trips. The built-in SiRF Star III GPS and antenna provide fast and accurate positioning, and the rechargeable battery can run 6 hours between charges. With its multiple search functions, bright and clear 3.5â¿¿ LCD display, and built-in Bluetooth wireless technology, itâ¿¿s the perfect first time or replacement GPS navigation unit.