Features:* You can use it to connect any device with diameter 3.5mm to listen to music.* It can extent your original cable which makes you act more flexibly and freely in your room， car and other places and spaces with your headphone.* Useful， flexible and durable.* Super low noise and distortion.* Easy to use.Specifications:Length:5M/16Ft(approximately)Color: BlackInterface: 3.5mm male to 3.5mm femalePackage included:1x Headphone Extension Cable