Audio To Isolator Filter out noise, restore sound quality. Solution To Current Noise:To total isolation module can effectively eliminate a total of the current sound let you hear music more pure static,Eliminate all kinds of electric current, Improve the broadcast equipmentand audio to produce current noise reduction of sound quality, enjoy pure vowel. Vehicle use comfortable travel Tie-in AUX audio equipment use, eliminate the on-board equipment for common to produce noise Plug and play without setting. 3.5 MM interface can be used on set,Small and light Mini compact design, convenient to receive don't cover. Colour:Black Material:PC Package Contents: 1 x Noise 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.