1. Lavalier design, ultra-small size. It weighs less than 30 grams and can be clipped at will. 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 cards, functions as a card reader. 5. Features both MP3 playback and removable storage capabilities. 6. Equipped with USB 1.1/2.0 interface, supports hot swapping, plug-and-play functionality. 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, providing anti-vibration and anti-electromagnetic interference performance. 10. Built-in high-energy rechargeable lithium battery for extended standby time. 11. Stylish and compact design with fine craftsmanship, ideal as a gift. Instructions for use: 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 select desired track. 5. To stop playback, first press Pause to pause the device. 6. Switch to OFF to complete shutdown. Precautions: 1. Do not charge the device via computer USB port or charger for more than 2 hours, as overcharging may damage the built-in lithium battery. 2. During charging, the indicator light may not change after full charge is reached. Charging is typically complete within 1.5 hours. 3. Do not connect to a computer’s USB port for more than 2 hours at a time. Always follow the operating system's safe removal procedure before disconnecting the device to prevent data loss or software corruption. 4. Avoid firmware upgrades 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.