BephaMart 3.5mm 4 Pole Jack Male to Female Earphone Headphone Audio Extension Cable 1M 3Feet Shipped and Sold by BephaMart This cable features a 3.5mm TRRS plug to a 3.5mm TRRS female jack, and is ideal for audio extension as well as for connecting card swipers to mobile devices. Specification: Color: Black Cable length: About 1M/3Ft