Nerd Necklace

1) Usually refers to electronic devices, such as USB drives, worn on a lanyard which generally has a technology company logo or insignia.

2) Also refers to bus passes, building identifications, etc. in plastic cases worn in on corporate issued lanyards.

Nerd 1: Hey, send me that file.
Nerd 2: The network is down.
Nerd 1: Fine, plug in your 1GB nerd necklace and bring it over here.