an electronic device, usually worn on the wrist, that is designed to record information about your physical activity, for example your heart rate and how many steps you have walked
fitness tracker
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
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
VR headset
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