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 a variety of MP3 music 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. Combines MP3 player and removable storage functionality. 6. Features USB 1.1/2.0 interface, supports hot swap, plug-and-play operation. 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 shock resistance and protection against 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. 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 or resume 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 device via computer USB port or charger for more than 2 hours to avoid damaging the built-in lithium battery. 2. Charging is typically complete within 1.5 hours. The indicator light may not change after full charge. 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 new device. Color: Pink, Black, Blue, Silver Package included: 1 x MP3 Player Note: The actual item color may vary slightly from the images shown.