Please don't share sites like this. This is a common theme. People advertise "revolutionary products" for blind people, whithout actually explaining what kind of microactuators they use. I am 99% sure this is a fake non-invention that does not exist.
Hi, this is Dennis Jung from Dot Incorporation
At the current moment, we are revamping our website https://dotincorp.com/ - our goal is to make all information available in both text and audio forms and leave no one behind.
We would like to apologize for any inconvenience. Meanwhile, you can visit our Facebook page https://www.facebook.com/dotsmartbraillewatch to find out about our latest updates and news.
Thank you.