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Amazon.com: Sennheiser CX True Wireless Earbuds - Bluetooth In-Ear Headphones for Music and Calls with Passive Noise Cancellation, Customizable Touch Controls, Bass Boost, IPX4 and 27-hour Battery Life, White : Electronics
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Sennheiser CX 400BT True Wireless earbuds Review - Affordable Power Performers for the New Normal | Hitech Century
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