Yi Tech 4K Action Camera vs. GoPro HERO4 Black

This year the partner company of Xiaomi, Yi Technology, has introduced the second generation of sports cameras under the name Yi 4K Action Camera. Two major features of the novelty are the presence of the display on its rear face and the ability to record video in 4K format. Yi 4K Camera turned out interesting and functional, while due to its price and performance it can compete with GoPro Hero 4.

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