Philips SMP3700 SpeechMike Premium Touch Precision USB Microphone - Push Button Operation Decoupled studio-quality microphone for precise recording Optimized microphone grille and integrated pop filter for crystal clear sound Built-in support for Nuance speech recognition for a hassle-free ‘plug and play’ installation Hygienic surface physically which hinders the colonization of germs and thus improves the efficiency of the usual measures for disinfecting