Best Buy: Sennheiser HD 350BT 5.0 Wireless Headphone 30-Hour Battery Life, USB-C Fast Charging, Virtual Assistant Button, Foldable White HD 350BT WHITE
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Amazon.com: Geekria Headphones Pouch Compatible with Sennheiser, JBL, Skullcandy, Soundcore, Bose Headphones Case, Replacement Protective Travel Carrying Bag with Cable Storage (Silver) : Electronics