Crystal Clear Chat Headset -- Built-in unidirectional microphone which can be twisted discretionarily picks-up your voice loud & clear. Reduces unwanted background noise for clear conversation. Great ideal for Online courses, Skype chat, call center, conference calls, webinar presentations and more 3.5mm Jack/USB Plug Connection Options -- The 3.5mm jack audio cable can be detached from the control box which gives you an additional connection option for Phones and Tablet. Or you can use the USB plug with control box to work with PC. Long headset's cord offers flexibility to move around. Noise Reduction Sound Card & Easy Access Control -- Convenient inline Volume Switch & Mic/Speaker Mute for easy access. A Built-in noise-reduction sound card of the control box lower noise output from devices. Provide outstanding audio on both transmit and receive.