The 1 choice of the worlds top touring musicians (*based on pollstarpro concert pulse 04.2010). In-studio and on-stage top touring musicians choose ultimate ears custom stage earphones because they are made to deliver the best fit and sound reproduction available. product highlights pro-quality sound blocks outside noise by 26db five sizes of silicone ear cushions three color choices works with ipod mp3 players and laptops with a 3.5 mm jack whats in the box earphones five pairs of soft silicone ear cushions (xxs xs s m l) protective carrying pouch user documentation ultimate ears 200 noise-isolating earphones get comfortable with sweet-sounding acoustics. Rediscover your music with the professional sound of ultimate ears 200 noise-isolating earphones. These comfortable earphones come with five sizes of soft silicone ear cushions (xxs-l) and three color choices so you can listen and look good at the same time. pro-quality sound sweet sounding: engineered for faithful audio reproduction. noise isolation: earphones fit comfortably inside your ears to create a secure seal blocking outside noise by up to 26db. frequency response: frequency response of 20hz20khz accurately and authentically reproduces your favorite music. the right fit soft silicone ear cushions: choose from five sizes of soft silicone ear cushions (xxs l) for a truly comfortable fit. secure and light: earphones are lightweight (11g) and sit flush and securely in your ears making them ideal for working out or hanging out. smart design durable sweat-resistant design: protect your earphones from sweat and wear keeping it looking and sounding good. protective carrying pouch: soft protective carrying pouch safely stores your earphones and slips easily into a pocket. compatibility audio players:* ipod and other mp3 players iphone and blackberry (audio only) ipad home audio gaming consoles video/portable dvd players computers/laptops *with a 3.5 mm jack