消费者自收到产品之日起7日内,发生性能故障,消费者可以选择退货、换货或修理(通过网络、电视、电话、邮购等方式购买的商品适用法定的7天无理由退货)。     DATE: 2024-11-04 05:54:30

剑桥教授http://www.cd120.com/thirdparty/ueditor/jsp/upload1/20181130/91001543569910751.jpg|http://www.cd120.com/thirdparty/ueditor/jsp/upload1/20181130/76221543569945010.jpg