Great FeatureThis iPad active pens built-in battery provides 8 hours active use while it's fully charged with Micro USB in 60 minutes. Charging input is 5V. About Active StylusFine Light Brief stylish design with 178mm length 16.8 g weight 1.5 mm tip for smoothly writing and drawing. More sensitive with long time wearing at best performance. Best Stylus for artist journalist teacher and students etc. Stylus Pens for Touch Screen Devices Our rechargeable active stylus pens are specially design for most touch screen devices including: iPad /iPad 2/new iPad 3/iPad4/iPad Pro/iPad Mini/ iPad Mini 2/iPad Mini 3 /iPad Mini 4 and other most popular tablets smartphones. Precise Point Control These digital stylus pens is sensitive to pressure and tilt so you can easily vary line weight create subtle shading it makes your iPad Pro even more powerful and can help you be more creative. User-Friendly DesignThis iPad Pencil can be written directly on iPad or iPhone just pressing the button once (Blue light on) and you can draw or write on your touch screen devices.