Adonit Jot Touch 4 Bluetooth Pressure Sensitive Stylus for iPad, iPad Air, & iPad Mini - Red Palm Rejection: Rest your hand on the screen as you work. The only thing that will make a line is your stylus. Its time to draw like youre used to Pressure Sensitivity: The New Jot Touch delivers over 2,000 levels of pressure sensitivity for the best looking and most natural lines Bluetooth 4.0: When paired with Bluetooth 4 devices, the new Jot Touch gets up to 1 month of battery life on a single charge. Not to mention enabling palm rejection, pressure sensitivity, and shortcut buttons. (New iPad and iPad Mini only) Shortcut Buttons: Get to software tools quickly. Undo or switch colors with the flick or a finger Compatible iPad 3, iPad 4, iPad Air, iPad Mini