Zenbook 14 flip oled (up3404va-kn058w) July 8, 2019 16 32 64 128 Zenbook 14 flip oled up3404va-kn058w Asus zenbook 14 flip oled up3404va kn058w Asus zenbook 14 flip oled up3404va kn058w review Zenbook 14 oled duo