Sennheisser D10 Wireless Headset For Cisco, Polycom, Avaya, Yealink, ShoreTel and other business desk phones | Compatible with IP telephones, Digital and Analog phones | 506410
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Amazon.com: Sennheiser MB Pro 1 (506041) - Single-Sided, Wireless Bluetooth Headset | For Mobile Phone Connection | w/ HD Sound & Noise Cancelling Microphone (Black)
Sennheiser's latest true wireless brings crystal clarity to TV viewing