Woot offers Nebula, by Anker, Mars II 300 ANSI lm Portable Home Theater Projector (Open Box) for $259.99 (reg $549). Free shipping for Prime Members.

Product Description:
Mars II takes the dual 10W speakers and compact design of Mars and takes it to a whole new level. With extended playtime, Android 7.1, and single-second auto-focus, Mars II creates a private theater just for you.
Key Features:

• 720p DLP IntelliBright technology combine to create a crisp, clear picture.
• Stunning Sound: Dual 10W audio drivers generate cinematic stereo sound and deep pounding bass.
• Worldwide Viewing: Make the whole world your screen, with the 1-second autofocus and manual horizontal/vertical (±40°) keystone correction, you get a sharp and stable image—no matter the surface.
• Binge-Watch in Style: Watch YouTube, Netflix, and more wherever you go. Seamlessly display your favorite Android 7.1 content for endless hours of entertainment.