CPUQuad Core ARM Cortex A53 GPUMali-450 Memory2GB/4GB Flash16GB/32GB/ 64GB WiFiIEEE 802.11 a/b/g/n/ac/ax 2.4G/5G Bluetooth-compatibleBT 5.0 I/O1*HDMI4K*2K UHD Output 1*AV Support 1*SPDIFSupport 2*USB1*USB 2.0,1*USB 3.0 1*IR ReciverRemote Reciver Connect 1*RJ45Ethernet Interface;Support 100MOptional 1000M 1*TF CARDSupport 4GB/8GB/16GB/32GB/64GB/128GB/256GB 1*DC 5V/2A Specifications: You can change the background image of the main UI by setting the wallpaper 1. Find the " Wallpaper " app in the box 2 .Using the Wallpaper app , you can set the images in your USB flash drive ormachine as the wallpaper Image format required : * . png , 1920 " 1080 pixels OTA online upgrade We will release the new firmware version to the server . When have bugs or new features , you can choose to upgrade online if necessar 1.Connect the box to internet by Ethernet or wifi 2. Find the System update app , click " CHECK NOW 3. If a new version is released , it will be displayed , and then you can update according to the prompt . 4.The system cannot be powered off during the upgrade , and the box will restart .After the successful upgrade , the box will automatically enter the main screen Package Included: 1 * set-top box, 1 * remote control, 1 * manual, 1 * power adapter