The GPS Navigation & Battery Cradle provides a complete navigation solution for the ipod touch, including the navatlas® turn-by-turn navigation app with TTS technology, and the latest US and Canada maps. The Cradle features a built-in GPS Receiver, Rechargeable Battery, Amplified Speaker, Audio Out connection and Mini USB port. An Adjustable Windshield Mount is included for in-car use. The Cradle, which resembles a thin battery case, is super portable and can be used for in-car navigation (with the provided fully adjustable windshield mount) as well as for handheld use. The built-in GPS receiver provides GPS data to most lcoation-based apps. The navatlas app, which works exclusively with the Cradle, will be available on the itunes App Store for free.