Practical Voice Playing Box: Our sound playing box operates with 3 batteries (not included), providing long-lasting performance. Depending on audio length, the battery can last for years. The sound box features ample memory to store multiple MP3 files for continuous loop playback. You can store your preferred audio messages or music. Audio files remain secure 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 interface. Simply open the drive, add your desired audio files, and safely eject the device after transfer. To play audio, turn on the power switch, adjust the volume, and press the button to start playback. 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. It creates a surprising and memorable experience when family, friends, or loved ones receive a gift that plays sound, making moments more special. Wide Application: This voice audio playing box is suitable for various uses, such as sound frames, musical greeting gifts, voice-enabled plush toys, custom audio buttons, and more. Personalize it with your favorite music or celebratory tunes for occasions like Christmas, New Year, birthdays, and other special events to add emotional value 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. Equipped with a volume control button for easy adjustment. Compact and portable design. Note: Product appearance may vary slightly due to different manufacturing batches, which 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 tolerance is +/- 1-3 cm.