a small aircraft without a pilot that is controlled by someone on the ground
drone
15
an electronic device, usually worn on the wrist, that is designed to record information about your physical fitness and activity, for example your heart rate and how many steps you have walked
fitness tracker
15
a white surface that can be written on in class and which can display the contents of a computer screen
interactive whiteboard
15
a device that can charge the battery of a mobile phone or tablet computer without using the main power supply of a building
portable charger
15
a voice-controlled speaker that is connected to the internet and can answer simple questions and control other devices
smart speaker
15
a watch that has many of the features of a smartphone or computer
smartwatch
15
a piece of electronic equipment for playing games on
video game console
15
a piece of equipment that you wear over your eyes and ears so that you can see and hear computer images and sounds that make you feel an imagined situation is real
virtual-reality headset
15
a piece of equipment used to listen to music that connects to your mobile phone, tablet or computer using radio signals rather than wires
wireless headphones
15
cheap enough for most people
affordable
15
a lot of attention to what you are doing so that you do not have an accident, make a mistake, or damage something
careful
15
not giving enough attention to what you are doing
careless
15
producing or using original and unusual ideas
creative
15
something that can harm you
dangerous
15
continuing for a long time and never finishing, or never seeming to finish