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

a piece of equipment used to listen to music that connects to your mobile phone, tablet or computer using radio signals rather than wires

a small aircraft without a pilot that is controlled by someone on the ground

a device that can charge the battery of a mobile phone or tablet computer without using the main power supply of a building

a voice-controlled speaker that is connected to the internet and can answer simple questions and control other devices

a white surface that can be written on in class and which can display the contents of a computer screen

a watch that has many of the features of a smartphone or computer

a car that doesn´t have a person as a driver

a piece of electronic equipment for playing games on

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