Changes one stereo 3.5mm (headphone) socket to two mono jack 3.5mm sockets.
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.
3.5mm Mono Sockets 3.5mm Stereo Plug Bi Directional so can split or combine your audio signal