Description <br> CM4 socket:suitable for all variants of Compute Module 4 <br> Micro-SD card slot:for connecting a Micro-SD card with pre-burnt image (Lite variant ONLY) <br> 40PIN GPIO header:for connecting sorts of HATs <br> Gigabit Ethernet RJ45 connector:Power supply / Programming,5V power supply, or used for eMMC burning,3.5mm audio jack <br> User button:USB2.0 connector,for connecting sorts of USB devices <br> <br> connector:MIPI camera interface <br> connector:MIPI display interface <br> MP1658:Mini connector,supports 4K 30fps output <br> BOOT switch: <br> ON: Switch USB to Type C interface, enter download mode when powered on (configured as a large-capacity disk through RPI boot) <br> OFF: Switch USB to Type A interface, not enter download mode when powered on (booted from eMMC or Micro-SD card) <br> Colour:As Shown <br> Material:PC <br> Due to different batches, there may be differences in product appearance and printed text, which not affect use <br> <br> Package Contents: <br> 1 * CM4-NANO-B(GPIO NOT Soldered) <br> 1 * 2 x 20PIN header <br> <br> Only the above package content, other products are not included. <br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. <br>