VINSA Battery-free EMR pen is specially designed for graphic tablet manufactured by VINSA. No battery – The application of EMR technology makes it possible to get rid of the battery. This makes the pen much lighter and it’s much more comfortable for the professionals to create their great work in a long period of time without feeling tired. EMR Technology – Wire is now gone, instead the EMR take its place. By transmitting the electromagnetic signal on the surface of the graphic tablet, it allows the pen to communicate with the tablet without using wire. The super fast speed and low latency makes it even better for a graphic tablet. And it’s also very energy-saving. Long pen nib – After a long time of development, the new version of pen nib is more stable and more durable than the previous short nib, and it’s much easier to change with the nib tweezer.