YCS Basics 3 foot 3.5mm male to female 4 conductor (TRRS) cable 3 foot 3.5mm male to female 4 conductor cable 3.5mm Stereo Headset Extension 3.5mm TRRS (tip, ring, ring, sleeve) Extension Cable Phone Headset Extension (3.5mm Stereo Headset+Mic compatible) 1 Year YCS Limited Warranty