Asus' ZenScreen is a slim and portable monitor that comes with an ink pen
ZenScreen Go MB16AHP|Monitors|ASUS USA
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ASUS ZenScreen Ink 14" 1080P Portable Touchscreen Monitor (MB14AHD) - Full HD, IPS, 10-point Touch, Stylus Pen (MPP 2.0 Supported), Eye Care, USB Type-C, Micro HDMI, Kickstand, Tripod Socket Touch Screen Monitors -
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