1.Designed specifically Stylus Pen for Surface series touch screen devices. 2.Can be Adsorption to a tablet,has quick erase and right mouse button.LED indicator can show the state of charge,LED shows red when charging. 3.Replaceable nib, the sound is very small, only need a gentle turn when changing, More Smooth More Accurate, longer working time. 4.Better wireless connectivity, you don't need to connect it by bluetooth ,Just charge it with a charging cable. 5.You can safely put your hand on the screen for writing, don't worry that your hand will have a wrong touch. Tilt writing Magnetic absorption Palm rejection Smoothly writing adn drawing High Pressure 4096 level pen touch Type-C reachargeble fast charging Long battery life. and . Types :For Surface 3 Pro 3 and 4 Pro 4 Pro 5 6 7and Surface Book.... Size: length 142mm Pen body diameter: 9.2mm Nib diameter: 2mm Working time: 120 hours Charging interface:TYPE-C Colour:black Material:Metal Package Contents: 1 x Active Stylus Pen Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.