Why are Thunderbird glasses x2 not on sale?

It's already sold. According to the information of VRAR planet, as of September 5, 2023, Thunderbird X2 with AR glasses was launched at the flagship product launch conference of TCL Online in China on August 28, 2023. Thunderbird X2 adopts a simple wireless integrated design, and its overall shape is similar to ordinary glasses, which can meet the needs of daily wear.