A flashing blue light behind your ear like the Bluetooth gizmo has. It serves no purpose, you can't even see it yourself, but others can see that you're "connected" and doing highly technical something or other.....
It will obviously conform to intranational regulations and will be CE-UL-CSA-UK-TUV-USSR-CenELEC-FPL-BGE-EIEIO safety approval marked.
It will work on 25-450 Hz, 18-624 Volts AC/DC with separate case, earth, PE, and L1-L7 phase connections. It can also be wired with separate dedicated neutrals for use in movie theaters and high end home audio rooms.
how about a static anti-displacement byte dwinkalizer? and all the conductors are cryogenically treated for "maximum performance" plus something on or in it should be plated in either sliver or gold...