The HamiltonBuhl TRRS2PC "Problem-Solver" easily converts any headset using a single TRRS plug into a dual plug used by older, standard computers. Designed to allow single plug headsets, to connect to computers that have 2 jacks: one for the microphone, and one for the headset. This problem-solver features a compact, sturdy design that allows you to adapt the latest technology to your older computers, laptops and devices.