Please note: Not suitable for some NOKIA or SONY headsets - see additional information below. The LINDY USB 4-pole Headset Adapter allows you to use the 4-pole headset or headphones you use with your mobile phone with your computer. Not only does it give you improved audio it also means you can use the mic function on your headset for VoIP calls and voice inputs. Compared to a standard Y-cable the adapter\'s internal chipset gives you superior audio performance with a reduced risk of noise from electromagnetic interference. Thanks to it\'s inherent audio qualities you can also use this bus powered adapter to replace separate or broken computer headphone & mic ports whilst adding boosted bass and clarity to your computer\'s audio experience. Unsupported headsets include those bundled with: NOKIA - Lumia Series SONY - Xperia acro S, Xperia go [Xperia advance], Xperia ion, Xperia J, Xperia miro, Xperia neo L, Xperia P, Xperia S, Xperia sola, Xperia T, Xperia TX, Xperia tipo, Xperia U, Xperia V