Sennheiser 450BT Headphone Warranty Repair Problem
December 26, 2023 4:51 PM78
My Sennheiser 450BT headphones no longer produce sound from the right side. I got this product as a gift from a shopping... center in another country around 4-5 months ago, and I started using it. Sorry, I threw away the box and everything that came with it. When I reached out to Bircom, they told me t