Size:35-39 Details:Material: EVA elastic fiberHeating material: far infrared carbon fiberColour: BlackVoltage: 5W / 2AInsole thickness: 4mmType: front foot, full footSize: 35-39; 40-44 (cuttable)Temperature: 40-50 (depending on the environment)package:a pair of insoles1 * USB cablePrecautions:1. To avoid prolonged heating, unplug the power supply when not in use.2. Old people and children need to be used under supervision.3. In order to protect the heating chip, please do not wear electric hot shoe insole for strenuous exercise.4. This insole should be inserted and heated to keep it suitable for home, office and computer home use.
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