CHECK COMPATIBILITY WITH YOUR DEVICE BEFORE BUYING MPP Stylus Pen 1.51 is designed for Microsoft Surface & Other Laptops supporting MPP (Microsoft Pen Protocol), compatible with some models from Acer, Asus, Chuhwi, Dell, HP, Teclast, Vaio. Please confirm your device is compatible before placing an order by looking at the compatibility list below on this page. Contact us if your device is not found on the list. 1024 PRESSURE POINTSThis digital stylus pen features 1024 pressure-sensitive points that respond to the slightest touch, allowing detailed shading and drawing. The ink flows naturally without delay or latency! Perfect for writing, drawing, singing, taking notes, or marking. Multi-feature 2-in-1 ButtonThe upper half is used as the right click of a mouse. Press the lower half to quickly act as an eraser for your drawing mistakes. PALM REJECTION FUNCTIONAllows you to put your palm on the screen while using the surface pro stylus pen without worrying about your palm affecting writing or painting. Ergonomic and long lasting batteryAluminum tablet pen with a slim, elegant housing, ergonomic design and 1024 pressure levels. The included battery should last up to 12 months, on average of 1-2 hours usage a day. WHAT YOU GET IN THE BOX1 x Stylus PEN, 1 x Extra Spare Tip, 1 x Clip To Pull the tip, 1 x AAAA Battery, 12 Months after-sales service. Please contact us if you have any product's issue.