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Headphone Pouch for Sennheiser HD 440 HD 450BT HD 350BT Momentum 3 Wireless HD 450 Headphones Replacement Protective Soft Shell Travel Carrying Bag with Room for Accessories Black - Newegg.com
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Sennheiser HD 4.40 Bluetooth Headphones sport 25-hr. battery life: $100 (Reg. $150)
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