Practical Voice Playing Box: Our sound playing box operates with 3 batteries (not included), providing extended usage time. Battery life can last for years depending on audio length. The device features ample memory to store multiple MP3 files for continuous loop playback. You can save 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 USB cable. Once connected, it appears as a removable drive on the computer. 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 using the control button, then press the play button to start. Press the same button to switch between audio files. Nice Gift Choice: Add a memorable touch to gifts with audible surprises. The sound box can be integrated into stuffed toys, gift boxes, and other creative applications. It brings an interactive experience when family, friends, or loved ones receive a gift that plays personalized audio, creating lasting memories. Wide Application: This voice audio playing box is suitable for various uses such as sound frames, musical greeting gifts, stuffed animal sound buttons, custom audio triggers, and more. Personalize it with favorite songs or celebratory tunes for occasions like Christmas, New Year, birthdays, and other special events to enhance emotional impact. 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 adjustment button; compact and portable design. Note: Product appearance may vary slightly between 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 variations in color compared to the actual item. Measurement allows for a tolerance of +/- 1-3 cm.