Possible Clues:

• USB drive insert
• Small device that plugs in to a computer
• Computer gizmo
• Electronic device that can be attached to a computer, e.g. for internet services
• Attachment to computer's no good for supplementing benefit
• Computer plug-in
• Golden (anag) — electronic device attached to a computer
• Electronic device
• Adapter used with a computer
• Electronic device attached to a computer