The FSA8058 is an audio jack detection switch for3-pole and 4-pole accessories. The FSA8058 features moisture sensing, which prevents false positive detection of accessories in the audio jack. The FSA8058 also features an integrated MIC switch that allows a processor to configure attached accessories. The architecture is designed to allow common third-party headphones to be used for listening to music from mobile handsets, personal media players, and portable peripheral devices.Prevents False Detection of Accessories in the Audio Jack when Moisture is PresentRemoves Audio Jack Pop and Click Caused byMIC BiasDetects Audio Jack Accessories: - Standard Headphones - Send / End Button PressesIntegrates a MIC Switch for 4-Pole Configuration