,.
,,,.
,,,.
,,.
,.
Negative ion is called longevity element, which is a natural cleaner of the air and vitamin in the air. It has been confirmed by medical workers that negative ion has the ability of sterilization and can clean the air. Negative ion can relieve fatigue, and keep the balance of body, remove nerve fatigue, promote blood circulation, and increase metabolism. All these contribute to relieve fatigue, alleviate muscle pain, increase immunity and concentrate energy etc.
Ion sports watch helps to relieve fatigue, and balances the body, promote blood circulation