Sony Walkman NW-A55 Detective Conan Akai Shuichi Model Movie "Detective Conan: The Scarlet Bullet" Release Commemoration Model Model Number: NW-A50 Series Capacity: 12.26GB * Capacity can be expanded with a separately sold microSD memory card. I received this from a friend who loves Conan. My friend never used it. I took it out of the box once to check the operation. It powered on. ■ Main Features of the Walkman® NW-A55 Movie "Detective Conan: The Scarlet Bullet" Release Commemoration Model The Walkman® NW-A55 is a model that allows you to enjoy both high-resolution sound sources and CD sound sources in high quality. It also has a Bluetooth® receiver function that allows you to enjoy music from your smartphone in high quality. If you have any questions, I will answer them, so please feel free to comment anytime.