1. Lavalier design, ultra-small size. Weighs less than 30 grams and can be easily clipped to clothing. Compact, sleek, and stylish. 2. Supports digital music playback in various MP3 formats. 3. Can be used as a portable USB drive to store MP3 files or data. 4. Compatible with TF cards, allowing use as a card reader. 5. Functions as both an MP3 player and removable storage device. 6. Equipped with USB 1.1/2.0 interface; supports hot swapping and 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 moving parts; resistant to vibration and electromagnetic interference. 10. Built-in high-capacity 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 indicator light will begin to flash. 2. Press the play button again 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 device via computer USB port or charger for more than 2 hours, as overcharging may damage the built-in lithium battery. 2. During charging, do not rely on indicator lights to determine charge status. Full charge is achieved within 1.5 hours, and the indicator may not change after completion. 3. Do not connect to a computers USB port for longer than 2 hours. Always follow the operating system's safe removal procedure before disconnecting to prevent data loss or software corruption. 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.