Some kpop groups have released "NFC cd" albums that use nfc and an app to "play the album". They are essentially keychains. But in the kpop world buying albums

Some kpop groups have released "NFC cd" albums that use nfc and an app to "play the album". They are essentially keychains. But in the kpop world buying albums is less about listening to the CD and more for the merch/supporting specific artists.