YCS Basics 3.5mm (1/8") male to 2.5mm (3/32") female 4 conductor adapter All metal 4 conductor 3.5mm male to 2.5mm female adapter! Converts a 3/32" male plug to a 1/8" inch male plug 4 conductor TRRS (tip, ring, ring, sleeve) adapter very versatile Headphone/Microphone Compatible and Audio/Video Compatible 1 Year YCS Limited Warranty