After 2 weeks of riding with the Reevu helmet I reach a conclusion:
The Helmet works. It Takes couple days to get used to and from then it just gets better. You need to understand it’s capabilities and limitations to fully appreciate it. It is a useful tool to increase your road safety. Do not treat it as a replacement for mirrors or lifesavers! If you can afford it and looking for a helmet in that price range – get one as it is worth it.