The innards of the stylus can be removed exposing a USB plug allowing you to charge it anywhere on the go. Charging takes only 90 minutes for a full charge and provides power up to a month!
Pencil is milled from a solid piece of material and is available with a graphite brushed metal model ($49.95), or a high quality maple finish ($59.95) and has an appearance that doesn't scream that you're using a stylus.