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EPOS | Sennheiser ADAPT 660, hands on: High-quality, lightweight noise-cancelling headphones | ZDNet
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Amazon.com: EPOS | SENNHEISER Adapt 660 (1000200) - Dual-Sided, Dual-Connectivity, Wireless, Bluetooth, Adaptive ANC Over-Ear Headset | for Desk/Cell Phone & Softphone | Teams Certified (Black) : Electronics
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EPOS | Sennheiser ADAPT 660, hands on: High-quality, lightweight noise-cancelling headphones | ZDNet
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