Cablexpert Stereo Plug 3.5mm 4pin to Doble Stereo Sockets 3.5mm 0.2m audio

The specific product code for the item with a single 4-pin plug to double audio and microphone sockets (for use with smartphones, tablets, and some notebooks) is the Cablexpert CCA-417. The product code for the reverse, an adapter with a 4-pin socket to dual 3.5 mm stereo plugs (for connecting a 4-pin headset to a PC computer with separate ports), is the Cablexpert CCA-418