BLACK In-Ear Retractable Mono Headset Wired Single Earbud Earphone with Microphone for Nokia Lumia 430 520 521 530 535 635 640 XL 710 810 820 822 830 925 928 1020 Icon 920 925 - 1520 1320, Huawei Ascend P6 P7, Galaxy Round, Alcatel OneTouch Idol Mini 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.