 
            CISCO CP-HS-W-521-USB= 521 Headset - Mono - Mini-phone (3.5mm), USB - Wired - Over-the-head - Monaural - Supra-aural - Uni-directional, Electret, Condenser Microphone - Black
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                                    SKU:
                                     | 
                                    CP-HS-W-521-USBC
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                                    UPC:
                                     | 
                                    889728266031
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                                    Condition:
                                     | 
                                    New
                                     | 
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                                    Weight:
                                     | 
                                    0.50 LBS
                                     | 
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                                    Minimum Purchase:
                                     | 
                                    1 unit
                                     | 
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                                    Shipping:
                                     | 
                                    Calculated at Checkout
                                     | 
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                                    Unit of Measure:
                                     | 
                                    EA
                                     | 
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                                    QPU:
                                     | 
                                    1
                                     | 
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                                    Country of Origin:
                                     | 
                                    CN
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                                    UNSPSC Code:
                                     | 
                                    43191609
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                                    UNSPSC Commodity:
                                     | 
                                    Phone headsets
                                     | 
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                                    Model No:
                                     | 
                                    521
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                                    DEPT:
                                     | 
                                    NETWORKING
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                                    CLASS:
                                     | 
                                    VOIP / VIRTUAL SKUS
                                     | 
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                                    Earpiece Design:
                                     | 
                                    On Ear
                                     | 
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                                    Maximum Frequency Response:
                                     | 
                                    18000
                                     | 
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                                    Microphone Style:
                                     | 
                                    Boom
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                                    Microphone Technology:
                                     | 
                                    Uni-directional; Electret; Condenser
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                                    Minimum Frequency Response:
                                     | 
                                    50
                                     | 
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                                    Noise Isolating:
                                     | 
                                    Yes
                                     | 
| 
                                    Sound Pressure Level (A-Weighted):
                                     | 
                                    118
                                     | 
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                                    Warranty:
                                     | 
                                    2-Year Limited
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                                    earpiece style:
                                     | 
                                    Monaural
                                     | 
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                                    impedance:
                                     | 
                                    90
                                     | 
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                                    model:
                                     | 
                                    521
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                                    quantity:
                                     | 
                                    1
                                     |