Remote controller included:YES Built-in Speaker:YES Battery:no Bluetooth-compatible:YES Category:Projectors Ansi Lumens:400 ANSI System:ANDROID Power:31W Projected Dimension:30-300 inches Projective Mode:Throwing,Ceiling,Back Projection,Mirror Image Light Source:LED Projection Technology:DLP Screen Scale:4:3/16:9 Optical Resolution:960x540dpi Zoom:Focus Portable:Yes Use:Entertainment Projector Type:Digital Projector Home Theater Projector:yes Projection Distance:1-8m Weight:1.2 Contrast Ratio:5001:1-8000:1 Brightness:6500 Lumens Keystone Correction:Auto Correction Model:P15 Its:Mini Projector Led System:Android 9 Electronic Keystone Correction:Vertical 40 degree,Horizontal 45 degree,Multi angle adjustment Best projection distance:about 4m/150inch WIFI:2.4G/5G Bluetooth:BT 4.2 Max Support Resolution:4K Resolution Screen Share:Eshare/iMirror/Miracast Light Life:Up to 20,000 hours Built-in Speaker:Two 4R/3W Speaker Video Support(up to 4k):VP9-10,H.265,H.264,MPEG-4,WMV/VC-1,MPEG-2,MPEG-1,RealVideo 8/9/10 etc. Audio Support:MP3,WMA,MP2,OGG,AAC,M4A,MA4,FLAC,APE,3GP,WAV Image Support:Supports variety of image formats browsing jpg, png, bmp etc. Remote Control:Support IR Infrared and 2.4G wireless control Power Performance:AC100-240V 50/60Hz DC 15V 3A Dimension:150mm*150mm*41mm Usage:Party,Home,Game,Gift Warranty:1 year