How to Use: Plug it and it works, and it is equipped with a volume control. Specification: Item Type: Boom Mic Cable Wire Material: Braiding Wire Wire Core Material: Oxygen-Free Copper Color: Black Wire Length: Approx. 2m/6.6ft Applicable Device: For MSR7, H6, and most other headset with 3.5mm port. Plug: 3.5mm Outer Diameter: About 3.0mm Package List: 1 x Headset CableCompatible with all cellphones, tablets, PCs, laptops and game consoles with 3.5mm cable input. The use of sturdy and durable reinforced cables, 24K gold-plated plugs and SteelFlex cantilever make it durable. It is suitable for communication and gaming, with enhanced speech intelligibility and background noise reduction. This versatile headphone cable can instantly upgrade your headphones to professional headphones. It has an upgraded flexible, detachable microphone, it also supports volume control and mute switch.