Still not convinced of the benefits of TomTom's upcoming Car Kit for iPhone? Then perhaps a little FCC approval will change your mind. In addition to offering a bit more reassurance that the thing is actually coming, the new listing also reveals a few more details than TomTom's been willing to dish out, including the fact that the mount / dock / charger packs some Bluetooth of its own for hands-free calling, and its very own SiRFstar GPS chipset to give you some better accuracy compared to the standalone
