Dell Premier Rechargeable Active Pen Stylus PN7522WDescriptionSpecificationsShipping A stroke of genius With 4,096 levels of pressure sensitivity, the active pen picks up the slightest nuances of pressure, tilt and flow to create shades of lightness and darkness with great accuracy. With virtually no lag, it's similar to writing with a pen on paper. The world's longest battery life on a single charge for an active pen Charge the pen up to 80% in 20 minutes and a full charge in less than an hour.