Changes one stereo 3.5mm (headphone) socket to two mono jack 3.5mm sockets.
3.5mm Mono Sockets
3.5mm Stereo Plug
Bi Directional so can split or combine your audio signal
This adapter allows you to combine two mono 3.5mm jack plugs to one Stereo device or split from a stereo output to two mono sources. Great from things like drum clicks but can be used in a magnitude of set ups.