英文關鍵字
amplifier
audio
background
black
brown
cable
closeup
communication
connecting
connection
connector
cord
design
device
disconnect
earflap
earphone
electrical
equipment
extract
finger
hand
headphone
headset
industry
information
insert
jack
line
listen
macro
metal
motion
move
movement
multimedia
nest
object
player
plug
silver
socket
sound
stereo
switching
technology
wire
wood
wooden