Fonus Mono Handsfree Headset Flat Cable Microphone Single Earbud for iPhone 6, 6 Plus, 5S, 5C, 5, 4S, 4 (All Carriers including AT&T, Verizon, Sprint, T-Mobile, Net10, Virgin Mobile, Cricket, Straight Talk and Unlocked International) Fonus Flat Cable Black Mono Headset Premium sound and voice quality. Allows user to talk and listen to music hands free Tangle free flat cable desing 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 earbud cushions for a convenient fit This is a MONO headset with ONE Earbud only. On/Off button to receive and end the call without using your phone.