BLACK In-Ear Retractable Mono Headset Wired Single Earbud Earphone with Microphone for T-Mobile Samsung Galaxy S 3 SGH-T999, T-Mobile Samsung Galaxy S 4 SGH-M919, T-Mobile Samsung Galaxy S5 (SM-G900T), T-Mobile Samsung Galaxy S6 (SM-G920T), T-Mobile Samsung Galaxy S6 Edge (SM-G925T) Premium sound and voice quality. Allows user to talk and listen to music hands free. In-Ear design. Retractable cable is compact and can be stored on. Excellent Bass Response. Tangle free design. 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. This is a MONO headset with ONE Earbud only. NOTE: Please pull the retractable cords on both sides simultaneously for a better retraction. Comes with extra ear gels. Might come in Bulk packaging.