附：产品在不断更新和改进，我们保留在事先未告知用户的情况下更改参数及设计的权利，照片中产品外观颜色与实际产品可能存在差异，颜色标准以实物为准。
Attachment : The product is continuously updated and improved. We reserve the right to change the parameters and design without prior notice to the user. The appearance color of the product in the photo may be different from the actual product. The color standard is subject to the actual product 。
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