They come with a clothes clip (reduces cable strain so they won't yank out), a carrying case and comfortable rubber-dome earbud tips in several sizes.
耳塞同时带有一个小衣夹(减少耳塞线紧绷以及猛拉过度)，一个便携盒与各个尺寸的舒适橡胶圆套头。
2
The insulating layer is pure natural rubber, copper wire for copper, so, in order to ensure the safety of wire and cable of good conductivity.
绝缘层一般为纯天然橡胶，铜丝为无氧铜，这样，才能保证线芯的良好导电性及电缆的安全性。
3
Based on an analysis of the problems existed in DC voltage withstand test for rubber plastic cable, some methods currently suitable for testing rubber plastic cables are compared.