Manufacturing method of USB rechargeable laser pointer

At present, laser pointers on the market generally consist of two parts: a laser pointer and a signal receiver, and are powered by a dry battery. There are few rechargeable laser pointers. In daily applications, people often need to enter the required files into the USB flash drive, and then transfer the things in the USB flash drive to the computer during use, and then use the laser pointer to explain. In this way, people must bring a bunch of things such as U disks, batteries, laser pointers, etc. at the same time when traveling. Therefore, people very much hope that there will be a laser pointer that integrates all these functions. By projecting the laser beam onto the shaft of the gun barrel, this universal laser tuned collimator allows you to accurately align the sight or rifle scope immediately. The laser beam emitted from the barrel axis is projected along a straight line, while the bullet is projected along a curved path. It is suitable for all rifles, sights and rifle scopes with a caliber between 5 and 12.7 mm (0.22 and 0.50 mm). No gunman can do this with this laser, but how much does it cost? It is very easy to use this 22 to 50 caliber hunting scope rifle laser. Insert the laser (with 1 caliber adapter) into the end of the barrel and point it at least 30 meters to get the perfect setting, then place the telescope or red dot on the red dot on the target.