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 storage device to store MP3 songs or data. 4. Compatible with TF cards, allowing for expanded storage capacity. 5. Functions as both an MP3 player and a removable storage device. 6. Equipped with USB 1.1/2.0 interface, supports hot swapping, plug-and-play capability. 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 resistance to vibration and 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 by sliding it to ON to start playback. The status light will begin to flash. 2. Press the play button to resume or pause playback. 3. Use the volume button to adjust sound level. 4. Press forward or backward buttons to navigate between tracks. 5. To stop playback, first press Pause to pause the device. 6. Slide the power switch to OFF to complete shutdown. Precautions for use: 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. The MP3 or charger indicator does not change state when fully charged. Charging is typically complete within 1.5 hours. 3. Do not connect to a computer’s USB port for more than 2 hours continuously. Always follow the computer's operating system instructions to safely remove hardware before unplugging 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 images due to lighting and screen settings. Slight dimensional differences may occur due to manual measurement.