Ipod car Charger

[decmatt]

Hi

Is there any difference between a "3 ipod car charger i have found, or a £20 car charger, what I want is a charger that charges my music in car whilst I can listen to music through it, so when its charging im never without music?

Thanks

 

[decmatt]

Ive got a standered player in the new vauxhall corsas
and a 5G Video 60gb Ipod