If done correctly, a double-screen 2-in-1 laptop sounds like a techie’s dream. The Lenovo Yoga Book 9i laptop, which boasts two 13.3-inch OLED screens and decent specs, comes close to perfection, but a few fatal flaws keep it from soaring above regular notebook competition, leaving it a choice for a niche crowd rather than the masses.
Source : Lenovo Yoga Book 9i Laptop Review: A Stylish Device with Some Flaws