TW2 is a professional tooth whitening product.The “U”-shaped stand-up design prevents the tooth tray from touching the dust and bacteria on the desktop, blocks the transmission of bacteria. The family's"U"-shaped design language is reflected in the unified image characteristics formed by the product, storage box,and charging head,so that the internal quality image of the product is consistent with the external visual image. TW2 is equipped with a high-efficiency magnetic charging method and can be charged in the storage box,and the power is isualized through the lighting design。