Portable wrist-mounted computers. Usually held in place via straps, wristband, integrated into a vambrace, or surgically attached on the forearm as a form of cybernetic augmentation. Comes with a built-in screen and some form of control interface such as knobs, switches, keypads and/or touchscreen. Some even have a holographic screen projection system, retractable data cables and an audio system. These devices exists in real life though not as extravagant (or as widespread) as those depicted in science fiction.

See Also:

• Smartwatch
• Smartphone
• Pip-Boy