[ SINGLE-EAR EARPHONE ]：Because it is a single ear earphone，it is convenient to hear surrounding sounds such as“in-car announcement”，“child voice”，“ringing sound” and so on.It can also be easy to use while sleeping sideways.
[ STEREO EARPHONE ]：Because it is stereo，isn't monaural.Even an earphone with an ear can be heard on both the left and right.[ COMPATIBLE MODELS ]：It corresponds to various models such as iPhone / iPod / iPad / Samsung Galaxy / Galaxy Note / AQUOS Android / protable player / tablet / MP3 player / Laptop / TV and so on.
[ CORD LENGTH]：The length of the cord is about 3ft.
[ 6-MONTHS WARRANTY]：We will exchange free of charge for defects.Feel free to contact us any time.Please use the Amazon inquiry form to contact us.