I know there are other projects and products that have been put on the market, it is a form of lifeline wrist, quite big and heavy, more "It shouldnt be used only by experienced swimmers who are at nhất 16 years old. We can not guarantee At protection Against drowning ". In addition, this product is activated manually by the user in an emergency should be very inconvenient for the user, or when operating accidentally activates an unwanted product. Our products aim to be the equipment operates automatically, intelligently based on the water pressure, compact size and does not affect the fashion trends of the wearer, and in addition, our products will be a lot cheaper than the value of the other products on the market.
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