CRYSTAL CLEAR SOUND: VTIN COMPUTER HEADSETS designed with adjustable unidirectional microphone to pick up precise voice, which makes voices sound more clear and natural. Perfect for Skype chat, conference calls, call center, webinar and so on. MULTIFUNCTIONAL IN-LINE CONTROL: Exclusive 2 in 1 in-line control design, you can use the WIRED HEADSET on your cell phone or pc. 3.5mm jack audio cable or USB cable, ideal for the way you work. Built-in premium sound card helps reduce the noise and optimize sound quality. HEAR YOURSELVES: This USB PC HEADPHONES support listening to your own voice. Please do as the follow steps on windows: Control Panel--Sound--Recording--Microphone--Listen--Listen to this device--Playback through this device--Speaker