Features: Great Performance: Featuring the AAAA battery provide super-long writing time. And pre-installed HB tip gives you flex and soft writing experience with low latency. Accurate and Smooth: The Active Stylus Pen is sensitive to pressure, you can easily write on the screen - just like a conventional pencil. Comfortable and Portable: Features an ergonomic design that rests naturally against the curves of your hand. And pen clip making it portable to write while out and about. Palm Rejection: Allows you to rest your hand naturally on the screen while writing without making unwanted marks. Perfect Match: Compatible with Surface Pro 9, Surface Pro 8, Surface Pro 7+, Surface Pro 7, Surface Pro 6, Surface Pro 5, Surface Pro 4, Surface Duo/ Duo 2, Surface Pro X, Surface Go/Go 2/Go 3, Surface Book/Book 2/Book 3, Surface Studio 1st Gen, Surface Studio 2, Surface Studio 2+, Surface Laptop 1/Laptop 2/Laptop 3/Laptop 4/Laptop 5, Surface Laptop Studio. *Not compatible with Surface Laptop Go, Surface Laptop Go 2 and others touch screen computers. Support 1500 Writing Hours With AAAA battery for surface, support up to 1500 hours writing time. Save power by automatically turning off if let it idle. The pen do not need Bluetooth or any driver, connect automatically when touching the screen. One-click and start to write. Palm Rejection Palm Rejection Technology allows you to rest both hands on the touch screen while writing or drawing, no longer need to worry about disturbing your attention. MPP 1.51 Technology 1024 levels of pressure sensitivity respond to very light strokes, easily handle all work on the screen. Sketch out that new business model, wirte down your idea, write to-dos, and notes. With the Pen, it become easy. High Precision and No Latency Premium made 1.2mm flex and soft nib is precisely accurate, giving you a perfect on-screen experience. With eraser and right-Click button, it helps you more competent for your job. Convenient and Portable Pen Clip Design is very portable, easily attach to your pockets, books and so on. You can casually bring the Pen everywhere you want. When you need a pen, it is right by you. What You Get 1* Stylus Pen with Original HB Tip 2* Spare Pen Tips (H&2H) 1* AAAA Battery Stylus pen for Surface also compatible with below windows devices: HP ENVY x360 HP Pavilion x360 14-cd0xx HP Spectre x360 2017 DELL Inspiron 13 7373 DELL Inspiron 15 7573 NOTE: 1. If the pen is unable to write, please downloaded the Surface Diagnostic Toolkit from the Microsoft website. And ran the diagnostic test. 2. ALL Laptop system must be updated to windows 10. 3. Please confirm your devices before place order.