It was perfect. Navi can not be interrupted even while tunnel is passing. I managed to be very cheap than buying it at auction. Just because the product is small, I also want a cheap method of postage such as mail.
The plug of Φ2.5 has not been released from many manufacturers and the details are somewhat different, so I was looking for goods that match Jack, but the goods purchased from your company was saved because it was a nice condition.