Sennheiser HD 400U Wired Over-Ear Headphones with Mic, USB-C, Dynamic Bass Sound, Foldable Lightweight Design, Noise Isolation and One-Button Call Control, Black REFURBISHED Get a detailed workout log

Get a detailed workout log when you're done

or even while swimming

Up to 508 cm Screen Size

Using the app

These headphones reproduce that same JBL sound

Sennheiser HD 400U Wired Over-Ear Headphones with Mic, USB-C, Dynamic Bass Sound, Foldable Lightweight Design, Noise Isolation and One-Button Call Control, Black REFURBISHED Get a detailed workout logFeatures Precision German Engineering: Excellent audio clarity ensures you will hear every detail of your music with superior sound quality One Button Inline Smart Remote: Conveniently play and pause music and take calls without needing to fumble with your phone Lightweight Foldable Design: Easy storage and portability make the headphone easy to carry anywhere you go Secure Over Ear Fit: Excellent reduction of ambient noise allows you to relax and