What is royole flexpai?

Royole FlexPai is a foldable smartphone and the world's first commercial foldable smartphone. It was launched by Royole Corporation in late 2018. The FlexPai has a flexible OLED display that can be folded from a 7.8-inch tablet display to a 4-inch smartphone display. The device is powered by a Snapdragon 855 chipset, 6GB/8GB RAM, and 128GB or 256GB storage. It has a dual-camera setup with 16MP and 20MP sensors. The FlexPai runs on Android 9.0 Pie with Royole's proprietary Water OS on top. It has a USB Type-C port, a fingerprint scanner, and a 3,800mAh battery. The device measures 134 x 190.35 x 7.6 mm when unfolded and 134 x 96 x 15.2 mm when folded. The Royole FlexPai is available for purchase in China, the US, and Europe.