Eliminates buzzing noise caused by ground loops in car speakers and home stereos. This noise isolator improves o clarity by reducing electrical interference without requiring an external power supply. Compatible with any portable device featuring a 3.5mm jack for use with car o or home stereo systems. Compact and lightweight design ensures easy portability and minimal space usage. Item type: Ground Loop Noise Isolator Interface: 3.5mm Frequency response: 20Hz–20kHz Input: Stereo Dimensions: 59 x 20 x 18mm Material: Plastic Color: Black Package Contents: 2 x Ground Loop Noise Isolators Note: The package includes only the items listed above. Other products are not included. Note: Lighting and display settings may cause slight color variations between the product and the image. A measurement tolerance of ±1–3 cm is allowed due to manual measurement.