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When the software you need to view your documents is embedded in the projector itself, you don’t necessarily need to drag along a computer. And if the projector has internal memory for storing content, you don’t necessarily need a flash stick or memory card either. On both counts, the Optoma Technology PK320 Pico Pocket Projector may be just what you need for traveling light to a business presentation.
Whether you’re showing PowerPoint slides, Excel files or Word documents, you can leverage the Microsoft Office Viewer that Optoma has built into the hardware to play them. Your content is also covered if you plan to view Adobe PDF files, JPEG photos or BMP screen captures. If you have accompanying audio—including MP3, AAC, WMA or WAV tracks—they’re playable, too. And if you want to show video, the projector is compatible with AVI, MOV, MP4, WMV and ASF formats, among others. That’s a lot of intelligence packed into an 8.3-ounce pocket projector.
The connections are in place when you want to attach an external source device. They include USB, mini HDMI and composite video/stereo inputs as well as a microSD slot. There’s also a 24-pin universal port for attaching an included cable for receiving a VGA signal from a computer.
At 100 Lumens, the projector is on the bright end of the pico projector category, but the rating is still a fraction of the brightness put out by a typical classroom or home-theater projector. The picture presented by the PK320 is meant for viewing by a small group in a dark room. The model’s LED (RGB) lamp is expected to last more than 20,000 hours, making it essentially maintenance free.
The projector is powered by an AC adapter or rechargeable battery. The battery lasts about 90 minutes in Eco mode. An optional battery pack extends projection time at full brightness for up to two hours. Plus, a convenient remote is included.
If sound is important to your presentation—or if you want to share a movie—you may wish to add a set of external speakers to supplement the PK320’s 1-Watt internal speaker. For instance, the Sony SRS-M50/BLK Portable Speakers provide 2.5W x 2 of audio power with the supplied AC adapter and can run for 40 hours on three AAA batteries. The single stereo mini jack can be connected to the projector’s single audio out jack using a mini-jack to mini-jack cable, such as the Monster Cable iCable 800.
|Display Technology||DLP (409,920 pixels)|
|Native Resolution||854 x 480|
|Maximum Input Resolutions||WXGA (1280 x 800) via VGA adapter; 1080i through HDMI|
|Brightness||100 ANSI Lumens Bright Mode (with AC Power Adapter or Optional High Power Battery Pack); 25 ANSI Lumens STD Mode|
|Contrast Ratio||3000:1 (Full On/Full Off)|
|Light Source Life and Type||20,000 hours, LED (RGB)|
|Throw Ratio||1.8:1 (Distance/Width)|
|Image Size (Diagonal)||5" to 150" (12.7 to 381cm)|
|Projection Distance||8" to 235" (19.9 to 596cm)|
|Aspect Ratio||16:9 Native; 4:3 compatible|
|Offset||100% of image is above center line of lens when upright|
|Battery||Li-ion Rechargeable (3.7V, 1410mAh)|
|Battery Life||Estimated at 90+ minutes (ECO mode)|
|45+ minutes (STD mode)|
|Displayable Colors||100% NTSC Color Gamut|
|Computer Compatibility||WXGA, XGA, SVGA, VGA, VESA, PC and Mac|
|Video Input Compatibility||HDTV (720p, 1080i), EDTV (480p), SDTV (480i), NTSC, PAL|
|Memory||2GB Internal; microSD slot supports up to 32GB SDHC|
|Video File Compatibility||AVI, MOV, MP4, 3GP, CMB, FLV, WMV, ASF|
|Office Viewer Compatibility||Microsoft PowerPoint (PPT, PPTX), Word (DOC, DOCX), Excel (XLS, XLSX), Adobe (PDF) Powered by Picsel®|
|Image File Compatibility||JPEG, BMP|
|Audio File Compatibility||MP3, AAC, ASF, WMA, FLAC, RA, OGG, WAV|
|User Controls||Direct Access On-Screen GUI in 15 Languages|
|Remote Control||Full-Featured IR Remote|
|Projection Method||Front, Rear, Upright, Inverted|
|I/O Connectors||Mini HDMI, microSD Slot, 24-Pin Universal Port for VGA, 2.5mm AV Input (Composite Video and Stereo Audio-In), Micro USB, 3.5mm Audio-Out, DC Input|
|Weight||8.3 oz (235 g) with Standard Battery|
|Dimensions (W x H x D)||4.7 x 1.2 x 2.7" (120 x 30 x 70mm)|
|Operating Temperature||41° to 95°F (5° to 35°C) at sea level and 80% max humidity|
|Power Supply||Input: 100-240V ~ 50-60 Hz, 0.6A Output: 12V ~ DC, 2A|
|Power Consumption||19 Watts max (Bright mode with multimedia function)|
|Noise Level||30dB (Max in Bright mode with external power; Silent in STD mode)|