This is a stylus pen with pressure sensitivity that can be used with tablets and smartphones. It's wired and doesn't require charging. The plug is shaped like an earphone plug. It has been used, and the rubber tip is slightly loose. It is replaceable. Please refer to the official page below for more details. https://sonarpen-japan.com The SonarPen, with its metal pen tip, is a high-precision stylus pen for tablets. - Product Name: SonarPen - Included Items: Instruction manual, warranty, sticker - Pen Tip: Metal pen tip - Colors: Black and Pink Thank you for viewing.