The latest TV set-top box supports 4K resolution, enjoying ultra clear images and impressive viewing effects. Compared to H.264, H.265 decoding technology saves half the bandwidth and can display vivid and rich image details. With 2/4/8 GB of RAM and 16/64/128 GB of ROM, large capacity enables you to download more applications and games in your TV box. Using the Hisilcon HI3798M quad core processor ensures smooth and flexible operation without worrying about slow operation. The latest Android 9.0 system comes with an open source app store that you can enjoy as much as you want. Support for HDMI version 2.0 makes it easier to transfer your photos and videos to your TV screen. A 2.4G/5G dual WiFi connection provides more stable wireless signals, enabling you to enjoy high-definition media and gaming experiences. Support for mouse and keyboard via USB port; It also supports a 2.4GHz wireless mouse and keyboard through a 2.4G USB dongle. Multiple usage scenarios: office, home entertainment, conference presentations, school education, digital advertising, etc. Specifications: CPU: Hisilico HI3798M Quad Core 64 bit ARM Cortex153 Wireless Network: 2.4G/5G Bluetooth Version: Yes Interface: HDMI HDMI 2.0 output, compatible with up to 4Kx2K screen USB port: 2 high-speed USB 2.0, Compatible with USB flash drives and USB HDDs AV output: AV (three in one port) LAN: RJ45 10M/100M Power supply: CC 12V/2A Socket output power: CC 5V/2A Black memory: 2/4/8GB Memory: 16/64/128GB