1Strictly abide by the design rules of high-frequency electronic circuits in PCB design, realize digital and analog separate 2With independent power layer, impedance matching in the circuit, after actual effect test, static background noise is extremely low, and can effectively shield itself from interference without sacrificing the sensitivity of the machine 3Adopt ultra-wide viewing angle IPS LCD capacitive touch screen, the viewing angle is not less than 155 degrees, the color is bright, the UI is clear, the side is not white and the screen is not dark 4The sound cavity speaker with customized bass diaphragm is used inside the machine, with clear midrange, heavy bass and excellent sound quality 5Adopt four-layer PCB process, thicker, more stable structure, stronger performance