ANDROID 11.0 OSThis Android TV box adopts the latest Android 11.0 operation system, And the latest 64-bit RK3318 Quad-Core chip,which makes it run faster ,stabler and stronger than other tv boxes.2GB RAM + 16GB ROM2G RAM large storage ensures speed and stability of the operation system, supports much higher running speed, without buffering or breaking down; 16GB ROM, gives enough room for installing apps, games etc. You can also expand the memory via the micro SD card slot. No need to worry about running out of space.3D+4K & H.265TV box support 4k and 3D function. H.265 Hardware decoding can saves 60% of bandwidth resources, you can watch movies fluently. The 4K 1080p resolution is 5 times more than full HD, so you can see every detail of the screen is glossy.EASY & CONVENIENT TO USE Comes with built-in 2.4/5.0 GHz Wi-Fi & Bluetooth 4.1 and supports 10/100M Ethernet LAN. We offer convenient connection and more stable WIFI signal to enjoy higher quality video experience. Just plug in the power supply, connect the box HDMI cable and Wi-Fi/Ethernet, you can watch whatever you like.Customer ServiceWe try our best to make 100% satisfaction of our customers. Please do not hesitate to contact us if you have any question or concern, we will fix your issue within 24 hours.