Klotz AY5 lightweight y-cable mini jack 3.5 mm - 2 x jack 6.35 mm
Partykabel
Y Cables are used to split signals from stereo plugs into left and right channels.
Very flexible fully compatible with any audio device with a 3.5 mm jack female
24 carat gold-plated contacts for loss-free transitions.
Really lightweight, very durable.