Oppo Find X7 Ultra premieres as world’s first dual-periscope flagship smartphone.
Oppo Find X7 Ultra premieres as world's first dual-periscope flagship smartphone. Source: notebookcheck.net https://www.notebookcheck.net/Oppo-Find-X7-Ultra-premieres-as-world-s-first-dual-periscope-flagship-smartphone.790508.0.html