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Sennheiser HD1 Free Bluetooth Wireless Headphone : Amazon.ca: Electronics
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Sennheiser HD1 Over-Ear Headphones for Apple Devices, Black : Amazon.ca: Electronics
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Amazon.com: Sennheiser HD1 In-Ear Wireless Headphones, Bluetooth 4.1 with Qualcomm Apt-X and AAC, NFC one touch pairing, 10 hour battery life, 1.5 hour fast USB charging, multi-connection to 2 devices : Electronics