correspond to people's custom of telephone chat. easily and convenient using, you can directly insert the earphone and mic plugs into the sound card of your computer. family using: prevent ears' inconvenient from your long-time girding by earphone. office using: suits for office best, its nice look prevents bad impress from adorning earphone in office. using it you can do speaking chat through all real-time communication softs. and it would be clearest by using speaking chat function of skype soft. characteristic: delicacy look; good communication quality.