Usage Tips:Comprehensive Ground Loop Noise Isolator Pack: Ground Loop Noise Isolators Along With A 3.5mm Audio Cable, Designed To Meet All Your Audio Needs. Buzzing Noise Reduction: Our Audio Isolators Are Engineered To Filter Out Any Potential Buzzing, Hissing, Or Interference Noises. With The Promise Of Delivering Crystal Clear Music Or Audio In Car Audio Systems And Home Stereo Set-Ups, Our Ground Loop Noise Isolator Enhances Your Audio Experience. User-Friendly Installation: All You Need To Do Is Plug The Ground Loop Noise Isolator Into The Aux Port Of Your Speaker And Connect The Other End To An Audio Source. No Additional Setup Needed. Relish Optimal Sound Quality Effortlessly And Quickly With Our Easy-To-Use Isolators. Compact & Portable Loop Noise Isolators: Our Ground Loop Noise Isolator Is Compact And , Providing Unmatched Portability And Convenience. Carry This Tool Whenever You Yearn For Clean, Clear, And Uncompromised Audio - Be It During Travels Or Parties. Universal Compatibility: The 3.5mm Audio Jacks Of Our Ground Loop Noise Isolator Are Compatible With An Extensive Range Of Devices Such As Smartphones, Tablets, Laptops, Mp3 Players, Radios, Or Other Speakers. Colour: Black material: metal Application: The 3.5mm audio jacks is compatible for smartphones, tablets, laptop, mp3 player, radio or other speakers. Package Contents: 1 x Noise Isolator 1 x data cable 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.