New Design Housing : is sleek black and silver metallic for a new hi-tech look
Silent Cap : virtually confines headphone sound to your ears only and helps ensure that your music does not disturb others
Sony Acoustic Twin Turbo? circuit : uses sound chamber and ducts for improved efficiency; gets high sonic output from your portable stereo
High Quality 16mm Driver Units : provide enhanced sound quality with deep bass and clear treble and are small enough to fit inside your ear
PET Diaphragms : ensure high rigidity for minimum distortion, and low mass for excellent high-frequency response
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
Neodymium Magnets : pack more magnetic energy per ounce than conventional ferrite, samarium cobalt or aluminum magnets and produce powerful bass and clear treble sound
Compact Winding Case Supplied : neatly stores the ear-buds and headphone cord when not in use; ideal for carrying in pocket or purse