When did BBK x2 learning machine go on the market?

BBK x2 learning machine was launched in June 2022. The BBK learning machine X2 is listed as a new generation 10. 1 inch patented eye protection screen. Backgammon X2 screen adopts AG nano-etching technology, which diffuses the substrate through characteristics, so that the screen light is filtered layer by layer, which makes the screen light softer and restores the effect similar to a book.