Student tablet, large screen eye protection, paper screen, online classes, precise learning, live broadcast, course review, children's desk, children's study table, smart learning table, intelligent learning table, homework table, primary and secondary school student desk, writing table, children's home desk, children's study table and chair set, lift table, automatic lift, electric lift, intelligent tutoring, ergonomic independent learning nearly 0 formaldehyde, 3-18 years old, intelligent lift eye protection posture, remote control, parent control, application control,