New Battery-Free pen PW500, suport ±60 levels tilt recognition is ergonomic design which can effectively reduce the fatigue caused by holding a pen for a long time. The default setting of the first pen button (near the nib) is eraser and the other is right click in our driver. Available for wired & wireless modes: Q11K V2 can insert to your computer with the included USB cable for standard wired use.2.4 GHz Wireless Connection: Support wireless or cable-free operation thanks to the built-in 2500mAh lithium-ion battery. Can be used without being connected for about 20 hours. Wireless mode which provides you an amazing cordless working experience. 8 Customizable Shortcut Keys: it is convenient to customize your preference shortcuts. You can set them to zoom in/out canvas, modify brush size and scroll up and down and so on. Suitable for both left-handed and right-handed users. Press key lock design to lock/unlock the express keys. OS Compatibility: Windows 7/8/8.1/10, Mac OS 10.12 or later