Augmented reality company Xreal has revealed a new entry in its Air glasses lineup: the $699 Air 2 Ultra. The Air 2 Ultra glasses, which developers can preorder today for shipment starting in March, are ultimately meant to compete with Meta’s Quest 3 and Apple’s Vision Pro headsets. They’re more full-featured than the $399 Air 2 model that Xreal — formerly Nreal — launched late last year, offering full positional (six degrees of freedom, or 6DOF) tracking in Xreal’s typical sunglasses-style form...