Amazon.com Product Description
The Sony Vertical In-Ear Headphones use contoured clips to snugly fit the curve of your ears even as you're jogging, cycling, or skating. A flexible ear hanger cuts stress on the ears, and the open-air design lets in ambient sounds without hurting your ability to enjoy your music. The powerful neodymium magnets in each earpiece provide great sound at frequencies between 18 Hz and 22 kHz. These headphones weigh in at well under an ounce, so you don't need to worry about them weighing you down when you're on the go.
Product Description
These headphones are perfect for an active lifestyle. The clip-on style follows the contour of the ears, and makes for a secure fit while running, skating, dancing, boarding, whatever. The flexible ear hanger fits comfortably and helps reduce stress on your ear. The open-air design enables you to hear ambient sound, and the powerful Neodymium magnets deliver quality sound. Don't let bulky headphones slow you down, purchase a pair of the MDR-J20.