Practical Voice Playing Box: This sound playing box operates with 3 batteries (not included), providing extended usage. Battery life depends on audio length and can last for years. The device features ample memory to store multiple MP3 files for loop playback. Users can load preferred audio messages or music. Audio files remain saved when batteries are replaced—no re-importing required. Easy to Operate: Connect the device to a computer using the included USB cable. Once connected, it appears as a USB drive in the computer interface. Simply open the drive and copy desired audio files. Safely eject the device after transferring files. To play audio, turn on the power switch, adjust volume using the built-in control, then press the play button. Press the button again to switch between stored audio files. Nice Gift Choice: Adds an audible element to gifts—ideal for stuffed toys, gift boxes, and more. Creates a memorable experience when recipients hear a personalized message or music. Makes a thoughtful and unique gift for family, friends, or partners. Wide Application: Suitable for various creative uses including sound frames, musical greeting gifts, voice-enabled plush toys, custom audio buttons, and more. Ideal for special occasions such as birthdays, Christmas, New Year, and other celebrations. Specifications: - Memory capacity: 16 MB - Audio storage: Up to 960 seconds of MP3 files or 2400 seconds of WMA files - Dimensions: 5.8 x 4.7 x 2.5 cm (2.28 x 1.85 x 0.98 inches) - USB cable length: Approximately 22.3 cm (8.78 inches) - Volume control button included - Compact and portable design - Color: White - Material: Plastic Package Includes: - 1 x Sound Box - 1 x USB Data Cable Note: Product appearance may vary slightly between batches without affecting functionality. Color representation may differ slightly due to screen settings and lighting conditions. Measurement tolerance: ±1–3 cm.