Practical Voice Speaker Box: Our speaker box operates with 3 batteries (not included), providing long-lasting usage. Depending on the length of the audio file, the battery can last for several years. Our speaker box has ample memory and can store many MP3 files for loop playback; you can store audio messages or music you enjoy. When the battery is replaced, your audio remains safe and ready to play without needing to re-import it. Easy to Use: First, connect the speaker to your computer using the USB cable. Once connected, it appears as a USB device in your computer's interface. You just need to click on it, insert the audio you want, and remove the USB cable once you're done transferring. When playing audio, turn on the power switch, adjust the volume, and press the button to start playback. If you need to change the audio, press the button again. Great Gift: Imagine how surprised the recipient would be if your gift could be heard; the speaker box can be used as a filler for plush toys, gift boxes, etc. It will be surprising to hear sound when your family, friend, or partner receives the gift. These gifts can create unforgettable memories for friends and family. Wide Application: This voice speaker box can be used in many situations and in various ways, such as creating audio frames, music gifts, voice plush animal buttons, customized audio buttons, etc. You can transfer your favorite music, and you can send gifts that play congratulatory music for occasions like birthdays, Christmas, New Year, etc., giving the gift a new meaning. The speaker has 16M memory, capable of storing 960 seconds of MP3 audio files and 2400 seconds of WMA audio files; it measures 5.8 x 4.7 x 2.5 cm; the USB cable is approximately 22.3 cm long; it features a volume adjustment button that allows you to adjust the volume. It is small and easy to carry. Due to different product batches, the appearance may vary, which does not affect the usage. Color: White Material: Plastic Packaging Contents: 1 x Speaker Box 1 x Data Cable Only the above packaging contents are included; other products are not included. Note: Light reflection and different screens may cause the color of the item in the picture to slightly differ from the actual product. The allowed measurement error is +/- 1-3 cm.