Product Type: XDOT-060 Active Capacitance Touch Pen Authentic Xundd product Main Functions: Painting, Writing, Note-taking Material: Aluminum Alloy (Metal Pen) Use time: 8 hours Charger interface: MICRO USB Compatible with both IOS and Android devices Sensitive to pressure and tilt so you can easily vary line weight, create subtle shading, and produce a wide range of artistic-just like with a conventional pencil, but with pixel-perfect precision High precision ultra fine copper tip Charging for one hour, battery life for 8 hours Auto-off when idled for 30 minutes