Other Sound & Hi-Fi SOLID

【Creative & Bluetooth Connection】This experiment musical coil model can be used as a physical experiment, when touched by hand, there will be a tickling sensation, very interesting, play music through Bluetooth connection, play square wave music lightning energy concentration in the form of clusters, can effectively attract attention and improve the students' exploration ability. 【Ideal Science and Physics Teaching Model】This experiment musical coil model has wireless transmission and speaker function, and can light up neon lights. It can be touched at will to produce lightning in the hands, which is very suitable for people to learn science and physics, and is a good physics and