The YTN (Korea) have broadcast some of the new education products which were favorable by the teachers and students. In particular, it introduces the Enjoysm Student Response System–RF 219. From the broadcast, a teacher led students do a quiz by using Enjoysm Student Response System. Students use the hands remote answer the questions. After a few seconds, all the results were visible on the screen. 36.84%(14 students) chose A, 7.89%（3 students）chose B, 31.58%（12 students）chose C, and 23.69%（9 students） chose D. The answers detail also showed on the screen. In that case, teacher could know that who is correct and who is wrong immediately.