Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si durable and easy to install. Fine workmanship and perfect style. CM4 card holder is suitable for all versions of Compute Module 4 Networking: Gigabit Ethernet RJ45 interface x 2 (native network port ETH0, PCIE extended network port--ETH1), MINI PCIE, supports 4G module (USB protocol, does not support PCIE protocol) , Nano-SIM card slot, can accept standard Nano-SIM card, used for 4G, 3G, 2G. M.2: Dual-way NVME SSD connection (2230, 2242, 2260, 2280) USB: USB 3.2 Gen1 (5Gbps) interface x 2 Camera: MIPI -2 interface x 2 (15PIN 1.0mm FPC connector) Video: -compatible interface x 2, supports 4K 30fps output Audio: 3.5mm headset microphone, headset two-in-one interface Storage: Onboard TF card slot (for versions without eMMC) Power input: type-c (5V 4A) Material: abs colour: Black Package Contents: 1 set multi-function host (Shipped in bulk) Only the above package content, other products are not included. 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.