The Griffin Itrip auto serves as both FM transmitter and car charger in a single car accessory. An Itrip can be used even with an iPod that is fully battery depleted and recharges the unit.
A Griffin itrip transmitter uses the power supply provided by your Ipod, so you are using that battery. There is no battery source in the Itrip I own.
One can purchase a Griffin iTrip Transmitter from a physical store such as Walmart, or an online site such as Amazon. The cost for this transmitter is usually under $20.
I have a Griffin Evolve for ipods but all functions work for my iphone 3g
The iTrip Auto Transmitter currently sells for $35.00 for the Apple iPod. There are other versions of the products sold for other manufacturers such as Philips and Sony.
Yes, there are multiple listings on Amazon for auto fm transmitters. You can type 'auto fm transmitters' in the search bar on the site or you can find links such as this on a regular Google search: http://www.amazon.com/Griffin-iTrip-Transmitter-Charger-Black/dp/B000BWACX2
From the research I have done, the best FM transmitter will depend on what you are using it for. Two that I found come rated with 4 and 1/2 stars are the Belkin TuneCast F8Z498-P FM Transmitter and the Griffin itrip auto fm transmitter for ipod.
You can buy the itrip nano online. You can go to amazon.com or ebay.com or staples.com. You can also purchase the itrip nano at Staples stores around the country.
The Itrip Nano is a device that attaches to an Ipod and receives FM radio signals. The Itrip takes up the whole bottom and width of the Ipod and there's a chance that many people may not like this feature.
an iTrip transmitter is an FM transmitter that is compatible with Apple iPods. You can plug in your iPod, and it will play your music through an intermittent FM station.
The iTrip app allows users to easily sync their iPod or iPhone with the iTrip machinery. Using them all in concert, a driver could hook up his or her music device to play through the speaker system of a car.
Apple Store or online at apple.com
The benefits to using an itrip are that it helps people who have trouble picking up radio signals and quality stereo music to be able to have good musical experiences.