Wiwu P339 Active Stylus Touch Tablet Drawing Pen Phone Notebook Product Features: Wiwu P339 Active Stylus Touch Drawing Pen. The drawing pen redefines drawing and writing on tablets and smartphones (in some apps). The ability to feel and write like a real pen. The ultra-fine copper dot allows you to draw, write and navigate with precision accuracy and offers comfortable, pen-like control. The internal battery provides 8-10 hours of active use while being fully charged in 60 minutes via Micro USB. Anodized and coated aluminum surface provides durability and offers a stylish appearance. It does not require special software and works with all iOS and Android system touch interface. Very practical with magnet adsorption Compatible touch screen, capacitive pen screen, IPS screen, etc., Tablet computers, iPad, iPhone, NoteBook, Cell Phones etc. Suitable for iOS system, Android system, Microsoft Windows 10 system. 145mm length, 9mm diameter and 1.45mm tip sizes.