Came on here to write a (belated) good review and realised I was lucky in light of other's poor experiences. My earbuds (CX400 BT True Wireless White) were within 2 weeks of the 2-year guarantee expiry date when one stopped working, but went online and found where to send them (postage was free). It did take a long time to get them back - probably around 2 months - hence the missing star, but was delighted to receive a brand new pair as a replacement when most electrical goods are only guaranteed for one year. Seems I was lucky and had also kept the online receipt.
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