inputs.text: lack quality control taotronics manufacturer would not recommend device either - testing 2x different fm transmitters 2013 newest w35mm audio cabletaotronics bluetooth car fm transmitter wmamp3 player different audio cables generic premium quality concluded transmitters manufacturer defect audio port got tired reception issue decided return bough ebay seller sunvalleytek really wanted keep transmitters tested bluetooth worked fine sound 1 speaker liked remote controls sound issue forced return transmitters asked seller send 2x replacements fully tested shipment make sure audio port worked seller decided give refund insteadi used fm transmitters couple days 2 different cars constant receptioninterference issue selected different channels sound came one speaker tried different brand new audio cables issue persisted transmitters seems transmitters seller sent defective 35mm audio port internal issue audio cable connected completely reception even worse connect audio cable bit half way sounds fine via one speaker also transmitters not even came audio cable purchase brand new cables issue persisteddays later bought 9 dollar generic fm transmitter found sale sears made china transmitter works fine no noise interference confirms 2013 newest w35mm taotronics bluetooth car fm transmitters defects audio ports manufacturer not fully tested high chances probably whole batchproduction model defective