Interphone has rarely appeared in life, but specific industries are especially important.
When I was a child, the home and garage on the fourth floor were still a walkie-talkie with electric wires. As time went on, he became an antique.
So far, it is still at home and in the garage, but the middle line has long been unknown where it was broken.

Body with convenient lanyard

Make a camouflage color matching

Another casual color matching, although there may be basically no women using it, ha, ha, ha