You can connect your iPhone/iPad/Android device/Macbook with this projector wireless. Support: Windows version 8.1 Above / Android Smartphone & Tablet version 4.2 Above/ iPhone & iPad iOS version 7.0 Above (you could get instructions from the following video https://youtu.be/ez7mLVPm0ng or via manual)</br>Native Resolution: 800x480; Brightness:1200 Lumens; Contrast: 800:1; Aspect Ratio: 4:3/16:9 not recommended for PPT or business presentation ideal for home theater movies and video game use. Can provide crystal clear image in dark environment</br>For perfect sound we recommend customer connect an external speaker (Via the 3.5 mm headphone jack or via the 3-In-1 audio&video port).The USB port is only for U-Disk/Hard Disk Device connecting NOTICE: Due to the copyright issue of Dolby this projector does not support Dolby's Audio decoding. Please turn off the dolby voice. or you might not get sound from videos. Especially when you watch netflix videos.</br>Image size: 30-120 Inches Projection distance: 3.5-12.5 Feet. With keystone correction adjusting the picture trapezoidal distortion. We suggest best Projection Distance: 1.5-2M; best Projection Size: 49 to 80 inches which can make you obtain best User Experience.</br>Portable design easy to take and travel. Support: Multi-media (Music Picture Video TXT); Connect your PC / Laptop / DVD Player to enjoy videos or movies. Connect PlayStation PS3 PS4 or X-Box via HDMI port to enjoy games on so big screen! Enjoying watching movie and football match at home?? also applying to courtyard or outside.</br></br>Product Description</br></br><p><b>Specifications:</b><br> model: UC46 <br> Image System:LCD <br> Brightness:1200 Lumens<br> Contrast:800:1 <br> Native Resolution:800x480 <br> Highest Resolution:1080p <br> Lamp:LED <br> Lamp Life:20000Hours <br> Lens:f=125 <br> Operation:Manual <br> Projection Distance:1.07m-3.8m <br> Projection Size:34-130 inches <br> Aspect Ratio:4:3/16:9 <br> Color:16.7M <br> Keystone:Manual 15 degrees<br> Power Supply:100-240V 50/60