Startech, StarTech.com 3.5mm Audio Extension Cable - Slim Audio Splitter Y Cable and Headphone Extender - Male to 2x Female AUX Cable (MUY1MFFS) - audio splitter - 20 cm
Brand: Startech in Computer Components
£478
Split one headphone jack into two separate jacks. The MUY1MFFS Slim 3.5mm Stereo Splitter Cable/Y-cable features one 3.5 mm male and two 3.5 mm female audio connectors, splitting a single headphone jack into two.