Model number:sm3000a Android system:android 4.4 Display technology:dlp Build-in memory:1g/8g Wifi:dual 2.4g/5g wifi Bluetooth:bluetooth 4.0 Products dimension:12.00 x 10.00 x 2.00cm /4.72 x 3.94 x 0.79inch (l x w x h) Projector net weight:0.21kgs Brightness:80 ansi lumens Resolution:native 854 x 480, 1080p support Contrast:1000:1 Projection distance:2-3meters Projection image size:20-100 inches Aspect ratio:16:9 /4:3 Lamp:led Lamp life:more than 20000hours Build-in battery:3.7v /4000mah Build-in speaker:yes (2w x 1) Miracast /airplay:yes Tripod hole:yes, at the bottom With touch panel:yes , (glass touch panel) Focus mode:manual Interface/input:usb*1 / micro usb*1 / tf card slot *1 / audio out port*1 Certificate:ce/rohs/fcc Features of our handhold led dlp smart projector sm3000a: - pocket size (12.0 x 10.0 x 2.2 cm) and lightweight (214 g), ideal for carrying and outing. - advanced dlp technology allows you to experience crystal clear, razor-sharp and lifelike images. - android 4.4 operate system, gives you access to over 800, 000 apps - 1gb ram+8gb rom, 32gb max extended capacity support downloading all kinds of movie, App&files smoothly - built-in rechargeable 4000mah lithium battery up to 2.5 hours playing time, also can be used as A power bank. - built-in hifi speaker (8ohm, 1w). - dual 2.4g/5g wifi & -bluetooth 4.0, support to cooperate with all kinds bluetooth devices, Like bluetooth headphone, speaker, mouse, keyboard to share multimedia resources interactively. - miracast /airplay/dlan, support play android phone, tablet pc , iphone and ipad's photos and Video without connecting cables to present big size image. - with easy wireless sync screen mirroring to share your phone screen to projection screen in big size - long led lamp life is over 20k hours of life, energy-saving - multiple ports, like usb, tf card, playing tf card and usb disk files directly. - build in glass touch control panel, easy to operate.