【SUPPORT MAC AND WINDOWS】Our programmable sound module is compatible with both Mac and Windows operating systems. When connected to your computer, it will be recognized as a USB drive, similar to an MP3 player, allowing you to easily add any MP3 audio file to it. | 【EASY TO ADJUST】This updated sound module offers a range of customizable options, allowing you to adjust the volume and playback mode according to your preferences. There are 6 playback modes, which you can set by downloading instructions in the Product guides and documents section of the details page. | 【RECHARGEABLE VOICE MODULE】The sound board comes equipped with a pair of batteries for your convenience. Additionally, you have the option to charge the device and change your music using a USB cable (USB cable is not included). This feature allows for greater flexibility and ease of use, ensuring that you always have power and music when you need it. | 【SELF-ADHESIVE】On the reverse side of the module, there is a protective film layer that can be easily removed to allow for pasting on any item of your choosing, such as a present box. This module can be discreetly hidden in various objects such as music boxes, greeting cards, and photo frames. The possibilities for creative customization are endless, making it an ideal choice for adding a personalized design to any present or keepsake. | 【8M STORAGE】The module has the capacity to store up to 8M music files, which can include a variety of recordings and songs. This makes it an ideal choice for those who want to create a unique and personalized present box filled with music. By using this module in present boxes, you can create a DIY present that is sure to be cherished by music lovers. Whether it's a collection of favorite songs, nostalgic recordings, or original compositions, the possibilities are endless.