For the latter question: Yes there are multiple choices for charging FM transmitters, one is DLO Trans dock which, just make sure that you get the dock ports that will help to make sure that your nano is seated securely another is the
Monster Transmitter Charger. Both of these products are available at Target or Best Buy. Another company to look into that makes great iPod accessories is Belkin.
For the latter question: Yes there are multiple choices for charging FM transmitters, one is DLO Trans dock which, just make sure that you get the dock ports that will help to make sure that your nano is seated securely another is the
Monster Transmitter Charger. Both of these products are available at Target or Best Buy. Another company to look into that makes great iPod accessories is Belkin.