Compatible with 3.5mm stereo mini-plug | For car audio and home audio This item reduces and eliminates "buzzing" noises and hum (ground loop noise) by being placed between the playback device and the speakers. Since it supports 3.5mm stereo terminals, it can be widely used in car audio systems, home speakers, and more. ■ Condition: Operation confirmed, no noticeable scratches ■ Color: Black ■ Terminals: 3.5mm stereo mini-plug Instant purchase OK, sent via anonymous delivery with included shipping.