Multimedia new laser pointer detachable U disk device
A laser pointer is a tool that uses a laser as a pointer. Can indicate the length of relatively far, can replace Pointers and other indicating tools, can also be used to turn the page and indicate when the slide show. In addition to laser Pointers, teachers usually bring their own microphones and USB sticks to class. This brings some inconvenience to the teaching work of teachers. If any of them are ignored, it will affect the effectiveness of the class. The combination of usb disk, microphone and laser pointer in multimedia teaching can bring more convenience to teachers' teaching work.
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System
There is a charging plug on the other side of the laser pen holder and LED display. It's easy to charge as long as there's an outlet. The charging plug can be rotated. When there is no need to charge, the socket contact plate is located inside the cylinder body, which does not affect the use; When charging is needed, the plug contact sheet rotates out of the plug for charging; In addition, the contact sheet on the charging plug can adjust the rotation Angle of the rotating contact sheet according to different sockets, which is more convenient for people to use. The new laser pen includes laser pen body 1, laser pen body 2, laser pen 1, laser pen 2, switch 1, switch 2 and lath. It is characterized in that the laser pen body 1 is connected with the laser pen body 2, and the first body and the second body of the laser pen can place a battery. The first body of the laser pen is connected with the first laser pen, and the second body of the laser pen is connected with the second laser pen. The second switch is number two. When the switch is turned on, the laser pointer will shoot a laser beam. When switch 2 is on, laser pointer 2 will emit a laser beam. In this way, if a teacher finds a laser pointer inside the laser pointer during a lecture, the laser beam emitted by the laser pointer 2 can be used to teach students when the battery is low. In addition, a lanyard is set at the connection between laser pen body 1 and Laser pointer body 2 so that people can hold the laser pointer with the lanyard. Hang it somewhere.
2021-09-30 07:39:39
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