Marshall Mode EQ Headphones - Original High-Output Unique Custom Design Earphones with EQ Switch Mic and Remote Delivering high-output sound at minimal distortion. Features an updated microphone design that eliminates undesired feed-back and microphonics. Click once to answer incoming calls or to hang up as well as play and pause your music. Click to twice to fast forward your music. Click three times to rewind. Mode comes with four different size sleeves, allowing you to find that perfect fit. The L-Plug design offers a more durable driver. The plug is compatible with any music player that receives a 3.5mm jack.