Buttons set into the elegant metal casing allow you to adjust the volume, select music titles, take phone calls and activate voice control or personal assistant features.

ENGADGET: Sennheiser launches the Momentum retro-cans and CX890i earbuds

This can be used not only to adjust the volume and select tracks, but also to take phone calls and activate the voice control or personal assistant features.

ENGADGET: Sennheiser launches the Momentum retro-cans and CX890i earbuds

Swiping repeatedly left or right cycles through all three views, while tapping the status bar on top allows you to set profiles (silent, beep, or ringing), adjust the volume, select connections and change your online status.

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