The Sony Walkman NWZ-B172 is a portable digital music player that allows you to take your music with you wherever you go. It features a compact design that easily fits in your pocket or bag, and has a built-in clip for attaching to your clothing. With 2GB of storage, it can hold up to 470 songs, and has a battery life of up to 18 hours. The device also includes a USB port for easy charging and transferring of music files. Our website offers a range of screen protectors to keep your Walkman safe from scratches and damage, ensuring that you can enjoy your music for years to come.