This is a flexible circuit board used for exporting flashlights to the United States. The circuit board adopts a flexible design that can adapt to the complex spatial layout inside the flashlight, ensuring stable and reliable circuit connections. 1. Flexible design -Capable of bending and folding, adapting to the irregular shape inside the flashlight, optimizing space utilization. 2. High reliability -Ensure stable circuit connections and reduce the risk of malfunctions under frequent use of flashlights and different environmental conditions. 3. Export quality -Complies with relevant US standards, ensures product quality, and is suitable for international market demand. 4. Optimize performance -Helps optimize the circuit performance of the flashlight, improve the overall performance and service life of the flashlight.