3.5mm Aux Audio Noise Filter Ground Loop Isolator Eliminate Car Electrical Noise

Eliminates humming and buzzing due to ground loop issues
Filters out DC current in the signal path
Connectors: 3.5mm Male, 3.5mm Female
Passive in-line device
Total length: 40cm

Eliminate ground loop humming and buzzing noise between an audio source and an amplifier. This device can go between any device with a 3.5mm audio jack such as a cell phone or MP3 player, and an amplifier such as the AUX input in a car or on a home stereo. If you hear noise when charging your device but not when operating on battery, then this product should solve the problem.