These are physical buttons located on the frame around the screen. Though the battery-powered pen may provide a few more features, a stylus without a battery is lighter and easier to use. Some styluses run from batteries, while a wired stylus might be powered by the tablet itself. You’ll always know where a wired stylus is, but a wireless pen gives you far more flexibility of movement. Some pens are wired to the tablet others are wireless. The stylus, or pen, is a key component of the drawing tablet. Some tablets are designed for right- or left-handed people only, but most can accommodate both righties and lefties.