3.5mm Stereo Audio 1 Male to 2 Female Splitter Adapter With Volume Switch
Connectors: 3.5mm 1 Male to 3.5mm 2 Female.
With this adapter you and a friend can both listen to your music player at the same time.
Dual-independent volume controls – set it as loud or quiet as you want.
Plug two sets of 3.5mm headphones into one standard 3.5mm stereo socket with this adapter.