Practical Voice Playing Box: Our sound playing box operates with 3 batteries (not included), providing extended usage time. Depending on audio length, battery life can last for years. The device features ample memory to store multiple MP3 files for continuous loop playback. You can easily load your preferred audio messages or music. Audio files remain securely stored and do not need re-uploading when batteries are replaced. Easy to Operate: Connect the audio playing box to a computer using the included USB cable. Once connected, it appears as a removable drive on the computer. Simply open the drive, add your audio files, and safely eject the device after transfer. To play audio, turn on the power switch, adjust the volume using the control button, and press the play button to start. Press the button again to switch between audio files. Nice Gift Choice: Add a personal touch to your gifts with audible messages. The sound box can be integrated into stuffed toys, gift boxes, and other creative projects. Recipients will be delighted to hear a personalized message or music, creating lasting memories for friends and family. Wide Application: This voice audio playing box is suitable for various uses such as sound frames, musical greeting cards, interactive toys, custom audio buttons, and more. Load your favorite music or recorded messages for special occasions like Christmas, New Year, birthdays, and celebrations, adding a unique and meaningful element to your gifts. The sound playing box has 16M memory, capable of storing up to 960 seconds of MP3 audio 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. Features a volume adjustment button for convenient sound control. Compact and lightweight design for easy portability. Note: Due to variations in product batches, the appearance may differ slightly. This does not affect functionality. Color: White Material: Plastic Package Contents: 1 x Sound Box 1 x Data Cable Note: Light reflection and differences in display screens may cause slight color variations between the product image and the actual item. Measurement tolerances are within +/- 1-3 cm.