Just by holding your smartphone near it, your favorite song will start playing immediately. Purchased from a TikTok shop overseas. Selling to organize my collection. 【Features】 • Music Playback: Built-in NFC. The song starts when you hold your smartphone over it! ※ Please hold your phone near the ⭕️ area in the 5th image (the top part of the phone). • Design: Miniature design in a clear case like a CD album, it looks very stylish attached to a bag or keys. • Size: 4.5cm tall, 5.3cm wide • Condition: New (Opened once to check the contents and confirm operation)