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Amazon.com: 504P USB Adapter for Plantronics and Addasound Headsets - by Global Teck Worldwide - Connects to Headset to PC, MAC, Lync, Skype & USB VoiP Phones - Mute, Volume and Quick
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Plantronics USB Audio Adapter to Dual 3.5mm Female Jacks for Headset to Computer 503358802840 | eBay
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