4,000 lumens of high brightness enable comfortable lights-on presentations to promote discussion, collaboration, and note-taking in larger meeting rooms with bright lights accommodating up to 20 participants. The high luminance lets even participants seated furthermost clearly see the slides and boosts picture quality with vibrant colour for pictures and videos as well as crisp text and fine details. With industry-leading contrast and pixel fill factor, BenQ projectors produce the truest blacks and unmatched readability with every character, graph, and chart crisply defined. High fill factor increases clarity for black and white or colour images and reduces eye strain for presenters and audiences to stay focused on the content. With WUXGA (1920 x 1200) native resolution in expanded 16:10 aspect ratio, BenQ business projectors deliver subtle details, ultra-sharp readability, and increased display capacity for professional presentations, accurately displaying a variety of source formats ranging XGA, WXGA, Full HD, to WUXGA. With infographic becoming more mainstream and popular format in corporate presentations, MU641's high colour brightness and better colour gradation, Infographic Mode ensures more saturated and lively colour performance than presentation mode. BenQ projectors integrate with wireless solutions to eliminate cables for maximum mobility and presentation flexibility, enabling easy content sharing from any mobile or laptop device in BYOD work settings for enhanced teamwork in truly interactive and collaborative meetings. In addition to conveniently charging any mobile device, built-in 1.5A USB Type A power output empowers accessories such as wireless HDMI dongles without need for separate power adapters.