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2.5mm Phone Headset with Noise Canceling Microphone for Panasonic, Including 3.5mm Connector for Smartphone PC Laptop, CallCenter Office Headset for Cisco Vtech Undiden Cordless DECT for Polycom: Amazon.co.uk: Electronics & Photo
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Gigaset C575A Quad Cordless Phone with Wireless Headset - liGo.co.uk