Explorer GPS Radar Position Adviser

Explorer is a new Bluetooth product for pair or not with PDA and mobile phones, is a GPS with 16 Chanels, small size and bigger features.Cold you use it with GPS software, like TOMTOM, Route66, Destinator.... it will provide your actual possition, but also, can you use with out any PDA or mobile phone, just only power on and run, a internal CPU and radar camera data base ( defined by user, not supplied or only from Spain, you need to have your country coordenates ) Explorer advise you 500 and 300 before you binging near a existent POI.Can you use the USB cable to dpwnload new points.Sound, voices and ligth for advise you, in any moment, button for add more in route points easily.