For Banana pi -M2 zeo is a very small open source single board computer, designed with the Allwinner H3 chip solution, and can also be used directly with the Allwinner H3, The size is exactly the same as the Zero, the size is 60mm x 30mm, it supports onboard and Bluetooth, 512MB memory, and Mini -compatible interface. For Banana pi -M2 zero supports Android, Debian Linux, , Raspbian systems, and can be used for IoT and educational application development. X630-C1 is a brand new metal case specially designed for 4 & X630 compatible to -2 Module & X630-A2. Easy to install Name:-M2 Zero Development Board Processor Brand: Allwinner H3 Model Number: M2 Zero color:Blue Material:PCB size:60mm x 30mm Package Contents: 1 x development board Only the above package content, other products are not included. Note: Light 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.