This is a genuine Microsoft Surface Pen, model 1776. The retail price is approximately 10,000 yen. Compatible with pen input and Bluetooth connection: Surface Studio Surface Studio 2 Surface Laptop Surface Laptop 2 Surface Laptop 3 Surface Laptop 4 Surface Laptop 5 Surface Book Surface Book 2 Surface Book 3 Surface 3 Surface Pro 3 Surface Pro 4 Surface Pro 5 Surface Pro 6 Surface Pro 7 Surface Pro 8 Surface Pro 9 Surface Pro X Surface Go Surface Go 2 Surface Go 3 Surface Go 4 Operation has been confirmed. The battery has been replaced with a new one, so the battery level is 100% as shown in the image. I am offering it at a low price, so please consider it.