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This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com
Noise-Canceling microphone filters out background sound
HW251N P/N 75100-06
Uses Plantronics QD Quick Disconnect Connector. Must be used with Plantronics Amp or with proper phone or USB adapter cable
Connectivity Technology: Wired, Earpiece Design: Over-the-head, Earpiece Type: Monaural, Host Interface: Proprietary, Microphone Design: Boom, Microphone Technology: Noise Canceling, Product Model: HW251N, Product Series: SupraPlus, Standard Warranty: 2 Year