Latest Android 9.0 OS T9 Android TV Box comes with Android 9.0 operating system, latest RK3318 Quad-Core Cortex-A53 processor with Mali-450 MP2 GPU, ensuring stable and smooth operation of charging unbuffered movies, pictures and games. Android 9.0 raises the bar in performance and usability with a slick, lag-free, more stable interface. 2GB RAM + 16GB ROM Large 2G RAM storage memory ensure operating system speed and stability, support much faster running speed, no buffering and failure; 16 GB ROM memory leaves enough room to install apps, games, etc. You can also expand the memory via the micro SD card reader. No need to worry about running out of space. 3D + 4K & H.265 T9 TV Box supports 4k and 3D function. H.265 hardware decoding can save 50% bandwidth, you can watch movies easily. 4K 1080p resolution is 4 times higher than Full HD resolution. So you can see all the details of the screen are brilliant. 2.4G / 5.0G WIFI & BT 4.0 T9 Android TV box supports 2.4G Wifi, if you like to use WiFi, it is exactly what you need. Stable, fast and high quality WiFi signal. And the BT 4.0 lets you use a mini keyboard and headset to take advantage of the box.