The best tech products announced this week include Samsung's tri-folding smartphone and Astell&Kern's numerous hi-fi gadgets.

I'm always testing new gadgets that can help you around the house or at the office. These are the most popular ones ZDNET readers have bought this year so far.

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Gizmodo may earn an affiliate commission. Reading time 5 minutes ...

Every September, hundreds of thousands of visitors descend upon Berlin for IFA, one of the largest trade tech conferences in Europe. IFA heralds the unofficial start of Techtember, when companies ...