Practical Voice Playing Box: This 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. Users can save personal 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. Simply open the drive, add desired audio files, and safely eject the device after transfer. To play audio, turn on the power switch, adjust 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 gifts with audible messages. The compact sound box can be placed inside stuffed toys, gift boxes, and other creative applications. Surprise family, friends, or loved ones with a personalized audio message, creating lasting memories.Wide Application: This voice playing box is suitable for various uses such as sound frames, musical greeting cards, talking toys, custom audio buttons, and more. Ideal for playing personalized music or greetings during holidays, birthdays, and special occasions, adding a unique and sentimental value to gifts.Specifications: - Memory: 16MB (supports up to 960 seconds of MP3 or 2400 seconds of WMA audio) - Dimensions: 5.8 x 4.7 x 2.5 cm (2.28 x 1.85 x 0.98 inches) - USB Cable Length: 22.3 cm (8.78 inches) - Features volume adjustment button - Compact and portable design Color: White Material: Plastic Package Contents: 1 x Sound Box 1 x Data Cable Note: The appearance may vary slightly between product batches, but this does not affect functionality. Light reflection and differences in display screens may cause slight color variations between the image and the actual product. Measurement tolerances may vary by +/- 1-3 cm.