CB1 Adapter: 1. CPU: Allwinner H616, -core -A53 @1.5GHz2. GPU: G31 MP2, support OpenGL3.23. RAM: 512MB/1GB DDR3L SDRAM4. Display: -compatible 2.0A interface, support 4K display5. USB 2.0 port6. 100M Ethernet + 100M WiFi7. The same BTB header as the CM4Note:1. The CB1 couldn't be connected to the PI TFT screen. The /CSI port will only work while using CM4.2. The PI4B should be used with CB1 or CM4 core board to run Klipper.CB1 is an to for CM4.PI4B Adapter V1.0is a for CM4 board, when the for CM4 is plugged in, it can be used as a for 4, which brings for customers to use the CM4.type: BColour:blackMaterial:PCB+electronic components+metalPackage Contents:1 x CB1 core Board1 x CB1 HeatsinkOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.