Size: 10x6cm Plug: 3.5mm Jack Cable Length: 110cm Suiu for: For For MP3 Mp4 Phone PC AUX CD Player 3.5mm Jack. Powred by your car's electrical system Colour:black Material:plastic Usage: 1.Insert the mini plug into the headphone jack of you player. 2.Turn cassette player on and turn volume to the lowest position. 3.Insert the adapter into cassette deck as you would an ordinary cassette, play and adjust to desired volume. (note; The volume control of some portable players not function if you are using the output/ line out jack.) 4.Eject adapter when not in use. ( note: Portable player must be "on" to eject adapter.) 5.Wire can be re-positioned for cassette loading type. 6. Note: If not work , or you could cleaned the head where it connects to the cassette to check it . Package Contents: 1 x cassette adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.