XY488 4.3" Single Din In Dash Car Stereo with GPS FM USB SD 4.3" 480x272 Digital LCD touch screen SiRF Atlas - IV, dual-core, ARM11 CPU,533MHz ARM11+264MHz DSP: High Performance, power comsumption Supports Sygic GPS navigation system Advanced FM/AM radio system Build-in Bluetooth chipset: Connect to the Bluetooth cell phone to make and receive hands-free calls