This device is very portable. It could be a little louder, but it is marketed at 4 watts, so be forewarned. I can barely hear people over my exhaust. If you have a normal quiet car you will not have any problems. Otherwise it is easy to setup and use, it is very portable. Just remember to shut it off to conserve it's rechargable internal battery. Also remember to turn it off so that you won't be dropping calls while you are near your car (like washing it).