ASUS ZENBOOK UX331UAL-EG031T Review Design The ZenBook 13 is a laptop that’s ultralight, ultrathin. It’s designed to relinquish you the ultimate mobility, which includes a feather-light sub-1kg all-metal chassis and all-day 15-hour battery life. Its Nano Edge slim-bezel style conjointly means that it’s remarkably compact for a 33.02cm(13-inch) Display, Graphics & Audio Harman Kardon-certified stereo