Poly Blackwire 3310 alternatives, similar headphones

Creative WP-250
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Aluratek AEB01W Hi-Fi Noise Reducing Metal Stereo Earbuds
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SteelSeries Spectrum 5XB Medal of Honor Edition
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Radiopaq Bass Reflex
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Klipsch Image S4A
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Sennheiser RS 220
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Poly - Plantronics .Audio 478
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Poly - Plantronics .Audio 655 DSP
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Panasonic RP-HJE125E-A
Specifications

Philips SHL3100BL
Specifications

Philips SHL3100RD
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Philips SHL3100BK
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Poly CS 520A
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Poly CS 540A
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Poly Voyager PRO HD/R
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Poly Voyager PRO HD
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Poly Savi WH210/A
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Poly Spare Headset
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Poly SHR 2639-01
Specifications

Poly SHR 2141-02
Specifications

Poly SHR 2329-01
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Poly SHR 2422-02
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Poly SHR 2453-01
Specifications

Poly SHR 2460-01
Specifications