INSTEN Universal Car Audio Cassette Adapter Compatible with Samsung Galaxy S9/S9+ S9 Plus/S8/S8+ S8 Plus, Black Now whether you are going down the block or cross-country, you will have plenty of music for the whole trip with this adapter. Connect your CD Player/MiniDisk Player/iPodto your car stereo through your car's in-dash cassette player. Cassette-shaped Interface inserts into your car's tape deck. Mini-plug inserts into your iPodCD Player/MiniDisk Player headphone jack. Silent mechanism reduces mechanical noise on the road. Spring-loaded cassette head helps maintain contact with cassette player's head for clear sound. Note 1.) A: If there is unusual noise clatter from the cassette adapter while in play, press the pause button to reduce the sound clamor;  B: If the volume is very low, or the music come only from one side of speakers, press the DIR button (if available) Note 2.) If the adapter is ejected undesirably/ not working, since it is unidirectional, keep the side with the words Cassette Adapter facing up (In the rare case of an upside-down player system, insert it facing down)