Any question please feel free to contact us and get response within 48 hours. The smart mini projector is no longer a concept. Usually, projectors are big in size and at the same time they are not portable at all. But here I will show you a projector that is more portable, more brighter and more smoother mini projector. The most compact pocket projector designed to fit your any smartphone. You can also connect a USB drive as well a laptop to watch videos on a big screen. OTHA D13 Mini projector is designed for Home entertainment，Office ，Outdoor movie.... Compared to traditional projectors that are bulky, low-definition, and difficult to carry....Now, OTHA D13 perfectly solves these defects, simple operation, light and portable, excellent image quality and clarity.... It is great for watching movies and sports games, holding parties, or parent-children interaction. Whatever the occasion, this projector brings lots of fun to your family and friends. ① 2G DDR3 RAM+ 16G ROM . ② 200 ANSI Lumens Brightness. ③ ±40 Vertical degrees automatic Keystone Correction. ④ Android 7.1.2(Support online update system in the future). Build-in 2GB DDR, 16GB ROM Updated A53 CPU with 2G RAM increases 100% performance than traditional 1G mini projector. HiFi Level Stereo Audio Performance. Built-in dual high quality speakers,bring you home theater enjoyment. Dual cooling fans Dual cooling fans designed to avoid overheating with lower noise. Square pixels and HDR 10 Supports HDR10 high dynamic decoding, showing deep dark details and textures in the picture. 2.4G/5G Dual Wi-FI Support 2.4G/5G Dual Wi-FI, Effectively avoid signal interference and make transmission more stable. Playing HD videos online more smoother. Support 1080P and 4K Support 1080P，4K resolution, vivid picture up to 200 inches big.