Product Description The Ultimate Ears 4000 Headphones are the first headphones worthy of the UE name. These powerful headphones deliver pure, undiluted audio that’s rich, clear, and perfectly tuned for music that’s alive with depth, authenticity and emotion. From the Manufacturer Everything we do is in the service of music. Our relentless commitment to honoring music drives us to push the boundaries of audio engineering, wireless connectivity and industrial design. All to create products that deliver music to your ears in its purest most undiluted form. Learn more about Logitech UEFeatures See featuresLogitech UE 4000 HeadphonesSee more headphone colors purplewhiteThe power to move with you.We created the UE 4000 on-ear headphones for people who live for music and who want headphones with the power to deliver all the depth, authenticity and emotion of their favorite songs. Soft-as-leather cushions and a compact, grab-and-go design make it perfect for wherever the music takes you and the 2-person sharing splitter lets you bring a friend along. And with all our products, the unique UE Sound Signature delivers rich, clear audio that’s perfectly tuned.UE Sound SignatureSound that’s distinctly and unmistakably UE—pure, undiluted, rich, clear and perfectly tunedPowerful 40 mm high-sensitivity drivers for crisp, clear highs; warm mid-range; and deep lows enlargeLong-playing comfort Lightweight on-ear design looks and feels greatPlush memory foam cushionsBreathable, soft-as-leather surfacesPadded, fully adjustable headbandBuilt-to-last with high-quality durable materials enlargeOn-cord music/call controls and micJump between music and calls with one touchAdjust volume, change tracks and answer/end calls without taking your iPhone out of your pocketHigh-quality mic for clear conversations enlarge2-person sharing splitterShare your music with a friend—two jacks so you can both plug your headphones into your music playerHooks to your keychain so you’re always ready to share music enlargeGrab-and-go designCompact and easy to wear wherever you go with your musicZippered travel pouch included that’s just the right size for bagCompatibilityWhat's in the box HeadphonesCable with mic & controls Zippered microfiber-lined travel case2-person sharing splitterUser documentation What you need Made for iPod, iPhone and iPadThe remote and mic are supported only by iPod nano (4th generation or later), iPod classic (120GB, 160GB only), iPod touch (2nd generation or later), iPhone 3GS or later, and iPad. The remote is supported by iPod shuffle (3rd generation or later). Audio is supported by all iPod models and iPad. Functionality may vary with non-iOS devices. CompareGoodBetterBest Logitech UE 4000 HeadphonesBlack / White / PurpleLogitech UE 6000 HeadphonesBlack / WhiteWhat you getUE Sound SignatureBetter sound and comfortLong-life battery Active noise cancellation Custom-made, sensitivity-matched, laser-tuned drivers UE Sound Signature40 mm, high-sensitivity drivers with neodymium magnetsAround-the-ear design On-ear design Plush memory foam cushionsBreathable soft-as-leather surfacesAsymmetric 3D shaped ear pads On-cord mic and controls2-person splitter for music sharingZippered microfiber-lined travel pouch Zippered travel case Made for iPhone, iPad, iPod** The remote and mic are supported only by iPod nano (4th generation or later), iPod classic (120GB, 160GB), iPod touch (2nd generation or later), iPhone 3GS or later, and iPad. The remote is supported by iPod shuffle (3rd generation or later). Audio is supported by all iPod models and iPad. Functionality may vary with non-iOS devices.