The Only Completely Portable GPS Solution for iPod touch. Portable GPS Cradle features: GPS Receiver to enable the use of most GPS-aware apps on the iPod touch anywhere in the world, Rechargeable Battery to power the GPS for up to 10 hours or recharge the iPod, Amplified Speaker for voice navigation, Microphone for communication, Portable Design - works anywhere in the world, does not require car power. NavAtlas US & Canada Navigation App: Turn-by-turn voice guided GPS navigation, TTS (text to speech) technology for spoken street names, Latest US and Canada NAVTEQ Maps, Built-in maps - no Internet or WiFi connection required, Play music from iPod while navigating, Realistic 3D views of major intersections, Over 2 million of the most popular POIs, Free download from the iTunes App Store, No subscription fee. Car Kit included: Fully adjustable design for portrait and landscape views, DC Power Jack for in-car charging of the Cradle and iPod, Audio Out to connect to car stereo. NOTE: The NavAtlas navigation app is compatible with iOS 4.1, but not iOS4.0. If NavAtlas is not recognizing the XGPS300 on your iPod, please update your iPod to iOS 4