Magnetic insoles can extend the time. Magnetic insole is a massage magnetic therapy insole product made of silicone material and bionic magnet. Magnets are embedded in the soles of feet according to human acupuncture points. Stimulating foot acupoints through magnetic lines generated by these healthy magnets can promote blood circulation, relieve muscle soreness and promote body metabolism. Foot massage can also promote the burning of leg fat and play a role in burning fat and slimming. The effect is better after a long time, so the magnetic insole can extend the time.