Battery-free Pen - Only applicable to for KAMVAS GT-191V2(500K) / KAMVAS /KAMVAS PRO 22 and Inspiroy Q11KV2 / WH1409V2; Never worry about pen-charging, and eco-friendly of use; Without operating battery, the pen is only 14g in weight. 8192 Levels of Pen Pressure Sensitivity - Enjoy the accuracy and precision when drawing; Having 266 report rate, 5080LPI resolution, you can paint or draw or sketch smoothly as you like. 2 Customizable Pen Buttons - Set the function to your reference like eraser, fasten your working efficiency; Palm rejection design of dual keys on both sides of the pen helps reduce touch frequency and realize most effective creation. Long-lasting lifespan - First of products features battery-free stylus, say goodbye to charging cables; Don't need to worry about the potential battery leakage and run-out. Colour:black Material:plastic Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 1 * 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.