1. Lavalier design, ultra-small size. Weighs less than 30 grams and can be clipped easily. Compact, sleek, 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. 5. Functions as both an MP3 player and removable storage device. 6. Features USB 1.1/2.0 interface, supports hot swapping, 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 moving parts, shock-resistant and immune to 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 status light will blink. 2. Press the play button to pause. 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 player 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 will not change after completion. 3. Do not connect to a computers 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 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. Thank you for your understanding.