Specifications:Eliminating the buzzing noise, caused by ground loops which happens when the audio source and the speaker use the same power source in some car speakers or home stereo systems when using the bluetooth-compatible receiver.The working principle of this noise isolator is to achieve a clear speech or music by eliminating the current noise in some car speakers or home stereo systems.Works with any portable device that has 3.5mm audio jacks, for your car audio system or home stereo, when grounding issues persist. Also used with a bluetooth receiver or bluetooth hands-free car kit in your car audio system or home stereo.Item Name: Ground Loop IsolatorMaterial: ABS + MetalFeatures: Light Weight, Portable, DurableSize: Length: 6cm\/2.36\
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