backgroun
black
card
chip
close up
communication
compact
computer
connector
contact
data
each
encryption
equipment
fingers
flash
gold
hand
identical
info
information
isolated
isolation
keeper
memory
metal
micro
microchip
modern
new
next
other
phone
pins
plastic
reader
save
sd
shallow
show
slot
small
smartphone
storgage
technology
two
usage
white