Descriptions: Eraser and "Right-click" button built in Easy to use: press and use Convenient to modify writing Low power consumption, long-lasting work Write smoothly High quality and brand new Specification: Suitable for: Envy 17-aexxx Envy x360 15-bp0xx Envy x360 15-bq0xx Pavilion x360 11m-ad0xx Pavilion x360 14m-ba0xx Pavilion x360 15-br0xx Spectre x2 12-c0xx Spectre x360 13-ac0xx Spectre x360 13-ae000 Spectre x360 15-bl0xx 2 color: black, silvery Pressing Level: 1024 Size: length 142mm, diameter 10mm .