iKNOWTECH&reg; Control Talk Cable Replacement for Solo Hd Studio MIC Audio Beats Monster Dr --Replacement Red Beats Audio Cable + Inline Remote Control Talk / Microphone for Beats by Dr. Dre Headphone Solo HD/Studio/Pro/Detox/Wireless - Compatible to Apple iPhone 3GS/4/4S/5/5S/6/6 Plus iPad Air/Mini/5/4/3/2 Macbook this is a after market monster replacement audio cable for solo beats studio Only works for IOS devices, doesn't works with the Android devices or others It has a volume control (+,-)remote and built-in microphone so you can use it as a headset to answer and end calls. You'll enjoy quick-access music playback control like volume, play/pause and tracking, without having to dig for your iPhone or iPod. High Quality audio extension dre studio cable, perfect for your Beats Headphones or any headphones with 3.5 mm input jack( Gold plated 3.5 mm Two male plugs, one straight, one "L" 1.2 m / 4 ft length)