My last recorder was very temperamental and this performs quite happily. I can't find that you can delay recording in half hour stints and I do miss that as it was so quick and simple (when it worked, of course!).
Whilst this Braun product, unlike my husband's last purchase from an alternative manufacturer, does work it is not nearly as good as the Braun version of ten years ago.Braun Exact Series Ear & Nose. Purchased from Amazon.co.uk.