Logitech releases new Ultimate Ears over-ear headphones range -
Logitech UE Ultimate Ears 4000 BRAND NEW SEALEDのeBay公認海外通販|セカイモン
Ultimate Ears UE 4000 価格比較 - 価格.com
User manual Logitech UE 4000 (English - 52 pages)
Ultimate Ears 4000 headphones to hear it like it really sounds: http://www.bhaap.com/ultimate-ears-400vi-earphones-black.html | Logitech, Headphones, Earbuds
Amazon.com: Logitech UE 4000 Headphones - White (Discontinued by Manufacturer) : Electronics