[Retracted] Application of Embedded Smart Wearable Device Monitoring in Joint Cartilage Injury and Rehabilitation Training

Table 2

Head-mounted smart wearable device.

Classification	Product type	Product examples	Information output method	Information input method
Head-mounted	Glasses	Google glasses	Vision: virtual reality technology;	Voice; touch operation; sensor
			hearing: periosteum vibration; earphones
		Smith I/O Recon Ski goggles	Vision: miniature head-up display	Physical buttons; cameras; multiple sensors
	Helmet	Brain Link Smart Helmet	Vision: alternating red and blue light control	Brain waves and bioelectrical signals
		LiveMap Helmet Navigation	Vision: display on the helmet	Voice operation; touch operation; built-in gyroscope; light sensor
			Hearing: earphone transmission