Where Can I Find These "Nexus" Earphones That I Keep Seeing?

These bright yellow in-ear headphones pop up everywhere in Google's Nexus ads.

They may be bad quality, no microphone, but I dig 'em.

Any help on where, or even IF, I can purchase these.

Here is the picture on the main site.

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Nexus-7-2013-rear-panel-635_medium

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