1. Lavalier design, ultra-small size. Weighs less than 30 grams and can be clipped easily. Compact, 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. Combines MP3 player and removable storage functionality. 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-capacity rechargeable lithium battery for extended standby time. 11. Sleek and compact design with fine craftsmanship, ideal as a gift. Usage Instructions: 1. Turn the switch to ON to power on the device; playback starts automatically and the status light flashes. 2. Press the play button to pause or resume playback. 3. Use the volume buttons 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 off completely. Precautions: 1. Do not charge via computer USB port or charger for more than 2 hours to avoid damaging the built-in lithium battery. 2. The indicator light may not change after full charge, which is normal. Charging is complete within approximately 1.5 hours. 3. Do not connect to a computer’s USB port for more than 2 hours at a time. Always use the “Safely Remove Hardware” function before disconnecting. 4. Do not attempt to upgrade the firmware on this device during normal use. Color: Pink, Black, Blue, Silver Package Included: 1 x MP3 Player Note: The actual item color may vary slightly from images due to lighting and screen settings. Slight dimensional differences may occur due to manual measurement.