Long battery life, only 1 hour to fully charge, with a battery life of 66 hours Accurately smooth -4096 pressure, providing pixel level writing accuracy, ink flows from the pen tip to the screen with almost no delay, and an eraser can erase errors. It can be magnetically connected and stored on the keyboard of the pro8/9, with two stronger built-in magnets. Wide compatibility:for UOgic Slim Pen 2 compatible For Pro 9, for surface Pro 8, for surface Pro 7+, for surface Pro 7, for surface Pro 6, for surface Pro 5, for surface Pro 4, for surface Pro 3, for surface Pro X For 2 For Go/Go 2/Go 3 For Book/Book 2/Book 3 For Studio 1st generation, for surface Studio 2, for surface Studio 2+; For Laptop 1/for Laptop 2/for Laptop 3/for Laptop 4/for Laptop 5, for surface Laptop Studio. Not compatible with for Laptop Go, not compatible with for Laptop Go 2. Colour:Black Material:plastic Package Contents: 1 x Stylus Pen Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.