Material :Aluminum Alloy Function: Handwriting, Drawing, Touch screen, shorthand Application: All Capacitive touch screen Device Charging port :Micro USB Battery: Li-polymer battery 140 mA, 1-2 hours charging time , 10-12 hours using time Diameter: 9 mm, Pen tip: 1.45 mm
Be aware that the pictures represent only the design of the product. But not the models itself. So don't be surprise if you choose a Samsung S7 while you are seing the photo of an iPhone6.