Fonus(TM) Premium sound and voice quality. Allows user to talk and listen to music hands free. Tangle free flat cable design is very convenient. Excellent Bass Response. In-line microphone in ABS housing. Adopted a highly conductive gold plated 3.5mm plug. Works on any device that have a 3.5mm port. Comes with extra gels for a convenient fit. This is a MONO headset with ONE Earbud only. Color: White. – On/Off button to receive and end the call without using your phone.