1. Lavalier design, ultra-small size. Weighs less than 30 grams and can be clipped easily. Concise, refined, and stylish. 2. Supports digital music playback in various MP3 formats. 3. Can be used as a portable flash drive to store MP3 songs or data. 4. Compatible with TF card reader functionality. 5. Features MP3 playback and removable storage capabilities. 6. Equipped with USB 1.1/2.0 interface, supports hot swap, plug and play. 7. No external power supply required. 8. Compatible with multiple operating systems: Windows 98/SE/ME/2000/XP and above. 9. Solid-state storage with no mechanical parts, shock-resistant and immune to electromagnetic interference. 10. Built-in high-energy rechargeable lithium battery for extended standby time. 11. Stylish and compact design with fine craftsmanship, ideal as a gift. Usage Instructions: 1. Turn on the MP3 switch to ON to start playback. The status light will begin to flash. 2. Press the play button to pause playback. 3. Use the volume button to adjust sound level. 4. Press forward or backward buttons to skip tracks. 5. To stop playback, first press Pause to pause the device. 6. Switch to OFF to power down completely. Precautions: 1. Do not charge the MP3 via computer USB port or charger for more than 2 hours, as overcharging may damage the built-in lithium battery. 2. The MP3 or charger indicator may not change after full charge, which is normal. Charging is complete within 1.5 hours. 3. Do not connect to a computer's USB port for more than 2 hours continuously. Always follow the operating system's safe removal procedure before disconnecting. 4. Avoid firmware updates during normal use of the device. Color: Pink, Black, Blue, Silver Package Included: 1 x MP3 Player Note: The actual item color may vary slightly from the images shown.