The portable laptop monitor is built-in 4pcs speakers, great ideal for extending your phone screen for video watching or gaming. It supports duplicate and extend mode to expand your screen. These Samsung phones (Galaxy S8/S9/S10/S20/S21/S22/S23 series; Galaxy Note8/9/10/20series; Galaxy Fold, Z Fold 2/3/4) can work with monitor by our original USB-C cable.