1. High-quality MP3 player with clear sound output. 2. One-button activation. 3. Supports six playback modes. 4. Playback mode and volume level can be configured via a text file. 5. Built-in 4MB flash memory supports MP3 files up to 4 minutes in length (128 Kbps). 6. MP3 files can be updated via USB connection to a computer. 7. Powered by three AAA batteries. 8. USB port enables connection to a computer for file transfer; functions as a USB mass storage device. Compatible only with MP3 audio files. File names are not restricted. Multiple audio files may be stored, subject to available memory capacity. 9. Six playback modes and volume level are set by creating a text file named “CONFIG.TXT” in the device’s memory and adjusting its parameters. Color: White Material: Plastic Package Contents: 1 x USB Recordable Sound Box Note: Color appearance may vary slightly due to lighting conditions and screen settings. Measurement tolerance: ±1–3 cm.