APEMAN Mini Video Projector DLP Pocket LED Portable Built-in Battery Support 1080P with HDMI/MHL Input

Video Projector
【Portable Design】Mini size (98*98*21.5mm) and SUPER lightweight. Easy to be put in bag and carried to wherever you like. Ideal for using at home, enjoying films with your families, or relaxing before sleep. Also perfect for parties or camping projection in appropriate environment (dark).
【Built-in Battery】The projector is equipped with an AC charger and a built-in rechargeable 3.7V/3400mAh battery. Built-in battery makes it to be used freely without having to search for electric plug. It can also be a backup battery for your mobile devices.
【HDMI & MHL Input Support】Plug and play, easy and convenient to use. With a HDMI cable, mini switching interface and MHL input supported function (extra gadget is needed), you can connect the projector to your laptop, tablet, camera, or smart phone. Enjoy a variety of entertaining resources from as many devices as you like.
【HD Movie & Big Screen 】1000-3000 contrast, 854 * 480 resolution, equipped with TI DLP technology, the projector makes a clear and bright projection. Projection screen varies from 30″ to 100″. Luxurious home theater experience. Best choice for family movie night or indoor party.
【Other Excellent Features】Dual stereo speakers give you a perfect audio-visual feast. Headphone jack is also available. The 360° rotation tripod gives it a firm stand and allows you to take a all round view. Well known for low fan noise and 25000 hours LED life.M4 and NM4 are same product.