This is a walkie-talkie with stylish and unique appearance and high cost performance. It is loved by users all over the world. This walkie-talkie is equipped with programming software. If you need to modify the frequency of the walkie-talkie, please select the SKU that includes the programming cable. After placing an order and paying, please contact our customer service staff and leave your email address (any email address except Google mailbox) Yes), our staff will send the programming software of this walkie-talkie to your mailbox. Everyone is welcome to buy.