Features: With 4096 levels of pressure sensitivity and Tilt Detection, the digital pen is simply more sensitive than any stylus pen in the world, allowing for shading or increased detail when drawing. Perfect for handwriting, drawing, marking, signing and taking notes, truly accurate handwriting reproduction. The stylus pen offers a palm rejection function which allows you to rest your palm comfortably on the screen while using our pen. Also the pen compatible for Surface Pro/Go/Book perfectly, which can protect your digital pencil from lost and missing, you can carry it with your devices everywhere when you go outside. The digital pencil built-in Li-battery supports 100 hours continuous playing time and 180-day stand by for only 1 hour charging time. You can charge it via AC adapter, power bank or computer (5V/0.2A). No Driver or Bluetooth-compatible connection required. Press any button, the green light on, it starts working. Comes designed with user friendliness in mind. Working directly after installing the battery, no Bluetooth-compatible pairing or driver installation is needed. Built-in Right Click and Erase button design frees customers from a total reliance on the use of a computer mouse. One nib can be wrote for over 20 km, users can exchange nibs by nib replacement tool. Compatible with Surface Pro 7/6/5/4/3, Surface Go, Surface Pro(2017), Surface Book/Book 2, Surface laptop 2/3, Surface Neo, Surface 3. Package Includes: 1PC x Surface Stylus Pen 1PC x Charging cable Specifications: Type: Suitable for Surface 3 Pro 3 and 4 Pro 4 Pro 5 6 7 and Surface Book... Size: 14.5x0.95x0.2cm/5.7x0.37x0.08in Working time: 50 hours Charging port: Micro USB Available colors: black, silver (optional) note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you