Works with any portable device that has 3.5mm jack, for your or 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 or 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 or 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:PVCandAlloy 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.