Koss RUK 20B Noise Isolating In-Ear Buds, Blue

Koss RUK 20 Noise Isolating In-Ear Buds, 16 Hz - 20 Hz Frequency Range, Blue

SKU: KS179764
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About Koss RUK 20

The Koss RUK 20 Noise Isolating In-Ear Buds (Blue) come with small, medium and large cushions for a custom fit.

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