Project your presentations effortlessly any time on day with the bright X340. Designed for meeting rooms & classrooms this small projector boasts s RGB accurate true to life colour reproduction long lamp life & energy-saving features to provide you with a low overall cost of ownership. This projector is easy to connect to with multiple inputs a built-in speaker & USB (Universal Serial Bus) Power. Perfect for connecting HDMI dongles such as the Google Chrome-cast & the Optoma HDCast Pro (sold separately) or a laptop PC or Blu-ray player for clear projected images with sound. Portable & lightweight projector can be installed or taken on the move for off-site meetings with the optional carry bag (sold separately). ** Bright & portable** * Bright XGA projector Â- 3100 ANSI lumens. * Easy connectivity Â- HDMI VGA USB (Universal Serial Bus)-A Power 2W speaker. * Low ownership costs Â- up to 10000 hours lamp life. * Lightweight & portable. ** High contrast** Add more depth to your image with a high contrast projector; with brighter whites & ultra-rich blacks images come alive & text appears crisp & clear Â- ideal for business & education applications. ** Full 3D** Optoma projectors can display true 3D content from almost any 3D source including 3D Blu-ray players 3D broadcasting & the latest generation games consoles. Support for 144 Hz rapid refresh rate provides ultra-smooth flicker free images. ** Integrated speaker** The built-in speaker offers excellent audio support. Easy to set up without the need for costly external speakers. ** Eco+** Eco+ technology brings together high contrast enhanced lamp life & energy saving features that are easy to use while reducing power consumption. ** Energy saving** Using the specially designed lamp modes you can reduce the power consumption by up to 70%. Each mode also has a positive effect on the lamp life while lowering the total cost of ownership & reducing maintenance. ** Auto power off**