Poly Blackwire C310-M alternatives, similar headphones

Skullcandy HESH Electric Animal
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Skullcandy HESH
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Skullcandy HESH Independent
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Philips SHD9000
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Philips SHD9200
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Philips CitiScape collection UNDERGROUND SHE5105BK
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Trust Eleno Premium Headset
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Jabra Sport
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Jabra GN2000 Duo, SoundTube, Narrow Band
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Cooler Master CM Storm Sonuz
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Monster Beats by Dr. Dre Studio High-Definition Headphones
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Monster Beats Pro
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Poly Savi W745
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Poly Blackwire C310
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Poly Blackwire C320
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Poly CS 530
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Poly CS 530A
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Poly Savi W430-M
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Poly Savi W730
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Poly Savi W720
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Poly EncorePro DW301N
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Poly SupraPlus HW261N-DC
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Poly EncorePro DW291N
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Poly SupraPlus Hearing Aid HW261H
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