Berat : - gr
Size: Approx. 23x7cm
Continuous heating time: Max. 10 hours
Average temperature: About 40℃
-Insole built-in activated carbon, iron powder, constant temperature stone.
-Long-term effect and durable, keep warm ans keep healthy.
-Promote blood circulation, increase metabolism, immunity enhancement.
-Ease pain, relieve fatigue.
-Wear comfortable, does not affect work, study and life.
-Without using any energy, reliable and eco-friendly.
-Self-heating product, no external power and heat.