Optimized Performance: Experience superior computing with the Rock-Chip RK3566, featuring a Quad-core Cortex-A55 processor. This single board is designed for enthusiasts and developers looking for robust performance in a compact size. Advanced Connectivity: Equipped with Bluetooth 5.0, this board ensures high-speed wireless connectivity, essential for modern IoT projects and smart applications. Linux Support: Fully compatible with various Linux distributions, providing a flexible and powerful environment for software development and innovation. Compact and Versatile: Its card-sized form factor makes it ideal for embedded systems, digital signage, and portable innovations. Processor:Quad-core Arm Cortex-A55 @1.8GHz Memory:4GB LPDDR4 SDRAM memory Storage:32GB eMMC Flash Operating Voltage:5V DC Operating Temp:-10℃-80℃ ambient Due to different batches, there may be differences in product appearance and printed text, which will not affect use. Colour:Green Material:PCB Package Contents: 1 * Development Boards(4G with WiFi without flash memory)