>Product Type: Xdot-002 Active Capacitance Touch Pen >Authentic Xundd Product >Main Functions: Painting, Writing, Note-Taking >Material: Aluminum Alloy (Metal Pen) >Battery Specification: Lithium Polymer Battery 140 Mah5V/0.2A >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