The instruction manual is always beside silicone insole. If no such instruction manual is found, you are welcomed to contact us. Then an electronic version may be offered. The instruction manual is aimed at offering you detailed operation and installation info. If you find it hard to understand, video or other effective ways may be available based on the demand.

Dongguan S-King Insoles Limited is a mature Chinese manufacturer established years ago. We are dedicated to providing customers with unparalleled plantar fasciitis arch support. We will show you the women's insoles series that is most popular with customers. S-King battery heated insoles is designed to be environmentally friendly and cost efficient. The ultra-slim design increases the comfort and performance of the S-King heated insoles. This product is safe to use. It is produced in accordance with electrical safety standards. These standards relate to CB standards, CCC standards, CCA standards, and the like. The breathable holes design makes the S-King PU insoles ventilated and keeps feet dry.

S-King Insoles focuses on brands, standards, service, and performance. Welcome to visit our factory!