A tiny sunlight emulator, a video player for your dreams and a vest for listening to trees feature in our roundup of best 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.

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

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