Universal Fashion earbuds by The Macbeth Collection let you harmonize your music with style! These earbuds feature soft, flexible silicone buds, making even extended use perfectly pressure-free. Sound-isolating technology gives the center stage to your music, not outside noise. - Sound-isolating technology - Battery-free - Available in many unique styles - Compatible with iPod, iPhone, MP3 players. and other devices with a 3.5mm jack - 3 sizes of ear tips are included