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Amazon.com: Audio Replacement Cable with in-Line Mic Remote Volume control Compatible with Sennheiser HD4.40, HD 4.40 BT, HD4.50, HD 4.50 BTNC, HD4.30i, HD4.30G Headphone and Compatible with Samsung Galaxy Huawei : Electronics
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Sennheiser HD 4.50 BTNC vs JBL Live 650 BTNC Wireless Side-by-Side Headphones Comparison - RTINGS.com
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