Xixun Sysolution M70 M-Series Dual-Mode Android Large Screen Sending Box is synchronous and asynchronous dual-mode sending box is a highly integrated and high-performance quad-core Cortex-A17 core board, running at a frequency of up to 1.8GHz, and comes standard with 2G memory and 16GB EMMC high-speed flash memory, supports synchronous HDMI input and output signals .