Simplyplugthe3.5mmjackplugintoaportablemusicplayer，Pod，CDplayer，popthecassetteintothecarradiocassetteandplaymusicthroughyourcarstereo Compatiblewithcarcassettedecksthathavesidetapeopening Self-adjustingspringheadandsilentmechanism Mini-jackpluginsertsintoMP3player/foriPodorCDplayer'sheadphonejack Compactandportable NearCDquality CarcassettedecksthathavesidetapeopeningandanyMP3player/Pod/Phone/MobilePhonethathasthenormal3.5mmaudioheadphonejack. Note:Whenuseit，pleasecontrolthevolumeunder30%-40%，otherwisemaytakesomenoise. Originalbox:NO Color:Black Netweight:34g Packageweight:43g Packetcontent: 100%BrandNew 1xBlackcassetteadapter

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