The BOOX Pen2 Pro is a magnetic pen with an eraser and an ergonomic shaft that will enhance your writing experience and allow you to write more comfortably. The pine green color is intended to pair with the sleek design of the Note Air2 Plus. And the black version is a perfect match for the majority of our handwriting-capable devices.【Easy to use】The Pen2 Pro is a passive stylus that does not require any additional power or Bluetooth pairing. You can take notes and write down ideas with the magnetic stylus whenever you want.【Strong magnets】With the strong magnets built in, the Pen2 Pro can be securely attached to the side of the Note Air2 Plus and other magnetic devices, allowing you to take them anywhere without worrying about the pen falling off.【Ergonomic shaft】The overall shaft has a smooth finish to make writing feel comfortable.【Convenient eraser】With the eraser on the bottom, you can erase notes just like you would with a pencil.【Precise nib】The Pen2 Pro's nib allows you to take handwritten notes and sketch with a fine stroke.  Stylus NibsYou can find Pen2 Pro's nibs in this link.