Sony MDR-E10LP/Pblu Headphones - Fashion Earbuds -Blue (Discontinued by Manufacturer) Super-Light, In-The-Ear Design High-Quality, 13.5Mm Driver Units Neodymium Magnets For Powerful Bass and Clear Treble Sound Open Air, Dynamic Design Super-light in-the-ear design High quality 13.5mm driver units Neodymium magnet to reproduce powerful bass sound Open air, dynamic