Fangrui Product Details 1. Quad-core Arm -a35cpu, Arm Architecture V8-a Instruction Set 2. Support Gpio, Uart, Spi, I2c, Mic And Other Interfaces, Convenient For Development And Debugging 3. Onboard Ddr3-2gbit Sdram Memory, Clock Frequency 1.066ghz 4. Onboard 2.4g Wireless Transceiver Chip And Ethernet Transceiver Support Wifi And Eth (rate 100m) 5. Wireless Transceiver Chip, Sd Card Slot And Usb2.0 Interface, Support Spinandflash Image Burning (need To Be Prepared) Or Sd Card Image Burning Wireless Transceiver Chip: Rtl8723ds Eth Port: 100m Ethernet Port Colour:blue Material:pcb Due To Different Batches, There May Be Differences In Product Appearance And Printed Text, Which Not Affect Use Package Contents: 1 * Development Board Kit 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.