SINO&reg; For 2002-2005 Audi A4 In Dash DVD GPS Navigation player with 7" Digital Touchscreen / PIP RDS Bluetooth (Free Map) 7.0" 800*480 Digital High Definition TFT LCD touchscreen Operating system:Win CE 6.0 Built-in GPS navigation, and you can listen to the music or the radio while in navigation;Built in Bluetooth,Bluetooth 2.0 Support A2DP(Play music from Cellphone) original 2-ZONE function, the back display screen can connect DVD/USB/SD/TV/RADIO functions while the host display show different contents, without any interference even in voice navigation. 30 days exchage,One-year limited warranty