adapters
bus
cables
closeup
communication
computer
connection
connectors
digital cameras
disk drives
electronic
electronic devices
industry
interfaces
isolated
jack
keyboards
line
network
pc
pdas
peripherals
plug
pointing devices
port
portable media players
power supply
printers
protocols
serial
smartphones
standard
standardize
technology
transfer
universal
usb
video game consoles
web
white
wire