ROC-RK3308B-CC-PLUS uses RK3308 quad-core 64-bit Cortex-A35 processor, 28 nm advanced process, the main frequency is up to 1.3GHz, integrates high-performance Codec and Hardware VAD, and can be configured with far-field microphones Array board, supports a variety of IoT systems and services, suitable for IoT intelligent Internet of Things, intelligent speech recognition, human-machine interface, industrial control, intelligent robots and other fields