The METRO.Fi 100 in-ear headphones from Ultimate Ears provide terrific sound quality in a lightweight and portable package that's ideal for active lifestyles. The in-ear design fits snugly in your ear canal to provide a stable, comfortable fit and excellent ambient noise isolation. Three sizes of ear tips are provided to give you the best fit possible, as well as maximize noise isolation and improve bass response.
The headphones use 10mm Mylar drivers to provide outstanding audio with a wide frequency response. The low-friction fabric cable helps keep tangles to a minimum, and has a standard 3.5mm stereo mini plug for wide compatibility with MP3 players, CD players, and other media devices. A pocket-size hard travel case is included for storing your headphones.