Long Using Life: This pen chooses a large-capacity AAAA battery to replace the built-in battery, which doesn't require frequent charging. Durable POM tip can be wrote for over 20,000 meters, you can replace extra tip after the original one wears out. Come With 1 x Stylus Pen, 1 x Extra Spare Tip, 1 x AAAA Battery(supports about 1500 hours continuous time). 1024 Pressure Sensitivity: Allowing for shading or increased detail, just adjust the line's thickness by increg or reducing the strength, to make your more casually and freely when browse the Internet, take notes, draw watercolors, draw sketches or mark documents. Palm Rejection Technology: The stylus pen with palm rejection technology, thus don't need to wear anti-friction glove or hands away from the screen. Providing a natural writing feeling as writing on paper without delay, giving you a comfortable feeling when writing and drawing. Closer to Real Pen: Aluminum alloy body, but weighs only 17g. Pen Clip Design is very portable, easily attach to your pockets, books and so on. Don't need to connect with Drivers or Bluetooth, just put an AAAA Battery in for easier use, built-in Right Click and Erase button design frees you from a total reliance on the use of a computer mouse. Stylus Pen for Microsoft Surface Pro 9/8/7, Compatible with Surface Pro X/9/8/7/6/5/4/3, Surface Go 3/2, Surface Laptop 4/3/2/1, Surface Book 3/2, Palm Rejection 1024 Pressure (Silver).