inputs.text: looking - worked great iphone 4s via bluetooth using fm transmitter controls worked advertised rehemoved unused audio cable thought could leave cable plugged plugged even not using none bluetooth controls work complaint volume phone calls lower music not makereceive calls often not bother nice feature would ability pair one bluetooth device let select thehem power switch would nice well not plugunplug everytime get inout car would not problehem 12v outlet turned ignition