Amazing New Smartphone Has Screen That Actually Expands

This stunning new smartphone has an expanding screen. The OPPO X 2021 Rollable concept handset was showcased at The OPPO INNO Day 2020 event held in Shenzhen, China in Nov 2020. The handset features a continuously variable OLED display that measures as small as 6.7 inches and as large as 7.4 inches. It allows users to adjust the size of the display based on needs.

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