inputs.text: good price compatibility issues - smartmini good choice need bluetooth streaming andor hands free calling wont convenient feature rich car manufacturer installed system 40 good inexpensive optionthe good features1indeed bluetooth paired works caveats smart phones2the fm transmitter not affect sound qualitythere immediate obvious drawbacks1 neck device quite long configurations close stick shift2the device tends overheat quickly using fm bluetooth transmiters thought not affect functionality also easy change fm frequency accidentaly touching dial button smart mini3on phones using bluetooth even setting phone smart mini volume maximum still not sound loud regular fm stations youll adjust volume every time change stationthere less obvious flaws regarding compatibility4when using nokia 710 phone bluetooth streaming would not start every time hit play button smart mini5when using htc one bluetooth streaming not controlled button smart minifor phones streaming controlled phone interface thought