Amazon with RayNeo Direct has the RayNeo Air 4 Pro AR/XR Glasses for $299 - $45 off coupon (click checkbox) = $254 with free shipping. The Batman Pro-Justice model is also on sale for $287 after coupon. 

• Vision 4000 chip with AI SDR-to-HDR upscaling, HDR10 AR display
• Audio by Bang & Olufsen, 3840Hz flicker-free display