Designed for enjoying music or fielding mobile calls, our in-ear style earbud with in-line microphone can be worn comfortably in either ear for a secure, near-customized fit. Compatible with iPhone, LG, Samsung, Blackberry, Motorola, and HTC smartphones, as well as most other mobile phones that accept a 4 conductor 3.5mm plug. Compatible with Apple iPods, Apple iPhone with headphone jack (before 7), Sony MP3 Players, Laptops and Desktop Computers, as well as Sansa, Creative, Etek, Ativa, RCA and other low-cost MP3 players. One Side, Good Sound, Stereo-to-Mono Single Earbud