Product specification: Android system:android 4.4 Display technology: Products dimension:28.0 10.0 10.00cm 11.02x3.94 x 3.94inches Build-in battery:yes (3.7v/20800mah, rechargeable) Bulid- in speake yes (5w*2) bluetooth speaker Miracast /airplay: yes Projector net weight:1.96kg Brightness:75ansi lumens Resolution:native 854480, 1080p support Contrast:1000:1 Projection distance:1-3meters Projection image size:20-100nches Aspect ratio:16:9 /4:3 Lamp:Led Lamp life:More than 10000hours Focus mode:Manual Build-in memory:1g/8g Wifi:Dual 2.4g/5g wifi Bluetooth:Bluetooth 4.0 Interface/input:Usb * 1 ; micro usb * 1 ;tf card slot * 1 Tripod hole:Yes(at the bottom) With touch panelYes (glass touch panel) With front standN.A Certificate:ce/rohs/fcc Warranty:1 year Features of our led dlp smart projector smb6 *supports bluetooth, android and ios mobile phone / tablet, game machine, dvd and Other media equipments *with easy wireless screen function, perfectly applied to business office, home Theater and intelligent interactive system *2.4g/5g dual-band wi-fi makes signal stronger and more stable, rich color saturation With high resolution and brilliant image *dlp technology (from texas instruments) has better colors and rich images *with built-in precise dmd digital lings processing chip and wide color gamut rgb Primary colors led, no radiation, no harm to the eyes *above 10k hours of life, energy-saving design *short focal lengths, high resolution, multi-chip coated optical glass lenses, Superior imaging capabilities, *support airply and miracast