
Ultimate Ears™ 400vi Noise-Isolating Headset
This sleek, stylish micro headset has a microphone and on-cord controls so you get a detailed and immersive sound stage, crisp calls and noise isolation.
Calls + music
No need for two headsets—you get detailed sound, crisp calls and noise isolation for your music and phone calls.
On-cord controls
On-cord controls let you answer calls with just one touch, change tracks and adjust volume—all without taking your iPhone® or iPod® out of your pocket. |
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Ultimate acoustics
Tuned by the same engineers who make the custom earphones preferred by the world's top touring musicians—for professional sound.
Detailed and immersive sound stage
This headphone creates a refined, detailed sound stage with high-quality, single-diaphragm speakers tuned to deliver crisp highs, warm mids and powerful bass.
Sleek micro design
This small headset sits flush with your ears—for a stylish look that's comfortable and unobtrusive. |
Five sizes of soft ear cushions
With five pairs of soft silicone ear cushions from XXS to L, you won't have to worry about getting the right fit—even if you've got small ears.
Noise isolation
Noise-isolating Comply™ Foam Tips help seal out background noise, so you can listen to your music—not the guy next to you.
Protective case
The pocket-ready hard case keeps your headset safe while you're on the go and can even attach to a keychain for extra convenience. |

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No-tangle cord
Saves time and eliminates the hassle of untangling your cord every time you want to listen to your music.
Ideal for audio
Works with iPhone, Made for iPod and compatible with BlackBerry® with 3.5 mm jack. Also compatible with other audio sources with a 3.5 mm jack
Features
- Calls + music
- On-cord controls
- Ultimate acoustics
- Detailed and immersive sound stage
- Sleek micro design
- Five sizes of soft ear cushions
- Noise isolation
- No-tangle cord
- Protective case
- Ideal for audio