Dreadful customer service. Returned earbuds twice under warranty (right earbud ceased to function). 2nd return in November 2022. Sent back December 2022 and believed to have been 'lost' by UPS in Northampton as tracked to that point. Since then Sennheiser couldn't care less and nothing resolved as of May 2023. Customer services allocate a reference number to e-mails but never respond to any of them. Purchased Sony WF 1000 XM4 instead which are great. Don't bother with this company.
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