Active Stylus Pen This stylus pen for touch screens is compatible with mainstream capacitive screen devices which come with iOS, Android, and Microsoft systems, including iPad, iPhone, Samsung, and other smartphones and tablets. Product Name: Active Capacitive Pen Product size: 9×9×165mm Product weight: 14.5g Material: aluminum alloy + plastic paint Charging time: 80minutes. Working hours: The maximum working time is 8-10 hours Battery capacity: 130ma Charging current: 0.2A Working current: 26ma Standby time: 100 days Boot method: top touch Charging method: Type-c interface charging