GlucoTrack uses three detection principles to improve measurement accuracy. Including: ultrasound, using ultrasound technology to detect the speed of sound waves passing through the earlobe, and the speed is affected by the blood glucose concentration in the earlobe capillaries; electricity, measuring changes in the conductivity of tissue; heat, detecting the heat transfer characteristics of the tissue. <br />Can only be used for patients with diabetes over 18 years of age, calibration every 6 months. <br />Listed in China; priced at 17,500 RMB.