Sony MDREX36V/PNK EX Earbud Headphone (Pink) (Discontinued by Manufacturer) 9mm neodymium drivers Frequency response: 6Hz-23kHz Color coordinate to MP3 player with these colorful headphones In-line volume control Includes 3 sizes of earpads (S,M,L) and cord length adapter 9mm EX provides comfort fit and deep bass sound In line volume control Three sizes of earbuds (s/m/l) Cord adjuster Cord Length of 3.9ft (1.2m)