Works with any portable device that has 3.5mm jack, for your /Home Stereo; Completely eliminating the buzzing noise, caused by ground loop which happens when ; Compact and portable,easy to carry; You can enjoy the clean and clear music/audio by eliminating the current noise in some car speakers; Car stereo noise filter is a simple way to problematic noise; Interface:3.5mm Plug(AUX) The printing/appearance from batch to batch, but it not affect the use; the actual product may have color difference due to different light or display. Colour:Photo Color Material:PVC+Alloy Package Contents: 1 x Audio isolator 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.