ASUS ZENSCREEN DUO OLED MQ149CDOpen-box dual-screen portable OLED monitor in practically new condition. I took it out of the box, connected it briefly to decide whether I needed it, then repacked it. It has not seen regular use.Both screens power on and display correctly, as shown in the actual photos. The photos show Windows recognizing the dual-display setup in several orientations.DISPLAY SPECIFICATIONS:- Two 14-inch OLED panels- 1920 x 1200 WUXGA resolution per screen- 16:10 aspect ratio- 60Hz refresh rate- 1ms GTG response time- 400-nit typical brightness; up to 500 nits HDR peak- HDR10 and VESA DisplayHDR 400 True Black- 100% DCI-P3 color gamut- 10-bit color with more than 1 billion colors- 100,000:1 typical contrast ratio- Glossy display surfaceDESIGN AND USE:- 360-degree folding hinge- Built-in kickstand- Landscape, portrait, stacked, side-by-side, and tent-style positioning- Folded size: approximately 12.56 x 8.35 x 0.59 inches- Weight: approximately 2.36 pounds- Standard 1/4-inch tripod socket; tripod stand is not included- ASUS DisplayWidget Center supports automatic rotation in compatible modesCONNECTIONS:- Two USB-C ports with DisplayPort Alt Mode- One mini-HDMI input- USB-C can carry video and power from a compatible computer- Mini-HDMI can be used with USB-C powerYour computer's USB-C port must support DisplayPort Alt Mode for USB-C video. Host hardware and operating-system limitations can affect dual-screen extend, split, and auto-rotation modes. This model does not have speakers and is not a touchscreen.INCLUDED:- ASUS ZenScreen Duo OLED MQ149CD- ASUS ZenScreen protective sleeve- Two USB-C cables- Mini-HDMI-to-HDMI cable- ASUS power adapter- Quick-start and warranty paperwork shown- Original inner box, outer shipping carton, and packing materialsCONDITION:Open box and used only briefly for setup and evaluation. The monitor is exceptionally clean with minimal signs of handling. The chassis, screens, 360-degree hinge, ports, and kickstand appear excellent. Both OLED panels are shown powered and displaying an image. No solid-color pixel, uniformity, or burn-in test photos are provided, so those details are not separately documented. Packaging has been opened and the outer carton has labels and normal shipping wear. Review every photo for the exact condition and included contents.No transferable manufacturer warranty is promised; ASUS determines warranty eligibility.Calculated shipping applies.