The EPL-220A is an active stylus pen with dual gain-level select feature. It allows users to write directly onto the LCD screen surface of a computing device such as an iPad, Smart-phone, Tablet PC or Touch-Screen, the tested compatible devices list as follows : Stylus Universal Pen For iOS ,Android , Microsoft Surface other Touch screens Sleek, smooth, and quality craftsmanship at your fingertips, this capacitive digital pen has a beautiful feel and look. Efficiently drawing and writing whatever you desire is now easier than ever. [Universally Compatible] One stylus pen for all your digital products, compatible with your favorite touchscreen devices, such as iPad, iPhone, Google, Samsung, Android phones and most popular tablets. No pairing, Bluetooth, or app necessary - it can be used on a wide range of devices instantly. Simply unbox the pen, then click on the button and immediately you may begin to write with ease. Stylus Universal Pen For iOS ,Android , Microsoft Surface other Touch screens . The iPad/iPhone is designed with palm rejection technology that allows you to rest your hand comfortably on the screen whether writing or drawing, no need to worry about unwanted marks on your screen. Please disconnect Apple Pencil through Bluetooth connection which will prevent other stylus pens from functioning with the device, simply navigate to settings and “forget” the Apple Pencil on the Bluetooth and turn off the Bluetooth. 12 Month Warranty provided