accessory
adapter
adaptor
background
battery
black
cable
channel
charger
closeup
communication
component
computer
connect
connection
connector
cord
data
device
digital
disc
drive
electricity
electronic
equipment
external
hardware
information
input
interface
isolated
jack
laptop
line
link
macro
mobile
network
phone
plastic
plug
port
signal
technical
technology
transfer
universal
usb
white
wire