adapter
alert
battery
cable
call
cellphone
cellular
charge
charger
closeup
communication
connect
connection
current
detail
device
dial
display
electric
electricity
empty
energy
equipment
gadget
icon
indoors
line
low
macro
mobile
mobility
network
nobody
object
phone
power
simplicity
smart
smartphone
table
technology
telephone
touchscreen
transformer
voltage
wallpaper
warning
wire
wireless
wood