What a dysfunctional, useless support service. Had a warranty claim for a £47 headset (nine months in), so tried registering on their website - and got 'page not found' errors. (One of the two main support links on their website goes to 'page not found', which tells you how much they care about follow-up support!)Rang their call centre (which required me to call an overseas number from the UK!), and after spending 15mins taking my details over a very poor-quality line, the agent told me she couldn't help me - each product has a different team, and I'd have to wait up to 2 days for that specific team to call me back!Fortunately, I'd actually bought the product through Amazon, so I contacted them, and they were brilliant - they've already despatched a replacement headset, and given me a pre-paid label to send back the old one.Lesson: don't ever buy anything directly off Logitech, their follow-up support is terrible - buy it off Amazon or a retail store instead, and use them for follow-up support.