Sony In Ear Ultra Lightweight Stereo Earbud Headphones The Super Lightweight Stereo Earbud Headphones from Sony provide quality audio in an ultra lightweight and compact design. The earbuds have 13.5mm neodymium drivers and an open-air design to provide crisp, realistic audio with deep bass. The angled 3.5mm plug provides strain relief and is compatible with a variety of MP3 players, CD players, laptops, and more. Super-light in-the-ear design fit snugly yet comfortably in the ear and eliminate the usual headband, so you can enjoy music while exercising, skating or dancing High Quality 13mm Driver Units provide enhanced sound quality with deep bass and clear treble and are small enough to fit inside your ear Neodymium Magnets pack more magnetic energy per ounce than conventional ferrite, samarium cobalt or aluminum magnets and produce powerful bass and clear treble sound