Extend the distance of audio transmission. Connecting with 3.5mm stereo jack of devices, gaming, music, movie and other activities.No attenuation of sound quality. Maintaining audio level. Passes test and detection for each single product (Tests including but not limited: Stereo, Left/Right Channel, Microphone, Signal Level, Short-Circuit).Step-Down plug in and out design, ensures connecting firmly. Metal case built and PVC shielding, contribute to durable daily utilization.Compatible for Headphones, iOS devices (iPhone, iPad, iPod), Android devices (Samsung, LG, Nexus, Sony etc), PCs, Laptops, Macbook, iMac, MP3 Players, cars, TV, DVD, TV box. All with 3.5mm audio aux stereo jack.What you get: 1*KINPS Auxiliary Audio Extender Cable, 12 months warranty. Should you have any concerns to the problem, feel free to contact us.