By Andrew Williams
22 May 2015
Logitech Ultimate Ears UE 400vi Noise-Isolating Headphones Headset
NEW Logitech Ultimate Ears UE 400vi Noise-Isolating Headset International Box
Brand New Genuine Logitech Ultimate Ears UE400Vi Noise-Isolating Earphone iphone
Headphones Buying Guide: Two new models join our pick of the best headphones
Updated: We put the top of the range running headphones to the test.
It's time you heard how amazing digital audio can really sound
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