nhftk4320
New Head-Fier
- Joined
- Feb 25, 2017
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As far as i've seen online, Sennheiser CX 400-II are indeed noise cancelling. And from what I know noise cancelling requires a battery for the dedicated mic.
Are the earphones noise cancelling? and if so - do they require a battery?
Are the earphones noise cancelling? and if so - do they require a battery?