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how to make 3.5mm 4-Pin to 2x 3-Pin 3.5mm Headset Splitter Adapter - M/F

anyone can tell me how to make it is so simply..?
im looking in arround of my live but im not found it.

please send me a skeme

Picture of how to make 3.5mm 4-Pin to 2x 3-Pin 3.5mm Headset Splitter Adapter - M/F