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

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 ...

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 6 minutes This ...