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Multi-function tie clips, known as self-credit sprays, can be overpowered in critical situations without killing the enemy. It is attached to the back of the product so that information can be transmitted anywhere through an electronic pen. If you have a digital pen and dot pattern note that doesn't have a separate receiver or tablet, you can store records anytime, anywhere, making electronic documents easily while maintaining a familiar handwriting pattern of "using a ballpoint pen in a note." Content stored in the pen is automatically transmitted through Bluetooth when preregistered PCs or tablets are connected.
Hwaseong-si, South Korea
Chan Jae Lee,