Just Wireless Bluetooth FM Transmitter and Charger

You plug it in and you first connect it to your phone. That compares to connecting other Bluetooth devices. It went without a problem. First you choose a frequency on your radio that's not in use. Then you "tune" the transmitter to that frequency. The little knob has a lot of functionality for just one knob. When "connecting" to your radio you use it to change the frequency the transmitter uses. After set up, you turn it right and you go to the next song (or previous song when turning it either left). You turn right and hold the knob and the volume will go up (or down when turning and holding it left). You push the knob and the song will stop or start playing. When I start my car, the device will automatically connect to my phone. When plugging in a USB stick with MP3 music, the device starts playing the music. When stopping the car, the device will resume at the last song that was played when starting to drive again. That being said, I'd also like to give the manufacturer some useful feedback: - This version has the display below the knob. In my car the transmitter is positioned further down and the knob is in the way of the display. - When someone else recorded something for me, the volume of the recording can be pretty low and that's something I can't change. In these cases I'd like to be able to turn the volume of the transmitter up more than I can now. With MP3 songs the volume is good. - It once happened that I was parked, that I had the radio tuned to another station and that I made a call. I didn't hear the other side. It took me a while to figure out that my phone was connected to the transmitter, that the transmitter was "sending" the other side's voice to the radio frequency, but that the radio was tuned to another station/frequency. In cases like this I'd like to be able to turn the transmitter off. Maybe push and hold the knob to do this? Maybe these suggestions have been addressed in the meanwhile. Compared to a cassette thing that you insert into the cassette player of your radio with a cable that you plug into your phone or iPod, this is a MUCH better solution. With this device there's no cable hanging in your car and there's no hassle of plugging or unplugging cables into your phone either. That's why I can recommend the device to friends and family. PS: I never write reviews, but this device deserves one! :)