activity
app
athlete
background
calories
clever
computer
device
diagnostic
display
electronic
equipment
fitness
foot
gadget
gear
hand
health
hold
information
interface
man
measurement
media
mobile
move
movement
phone
portable
pulse
run
screen
sensor
shoes
shorts
smart
smartphone
sneakers
sport
suit
technology
test
time
touch
tracker
tracking
training
watch
workout
wristwatch