DIY Light Sensor Sound Module with Speaker and Rechargeable Battery Bring your creative projects to life with this DIY light sensor sound module. Designed for versatility and ease of use, it is for custom greeting cards, music boxes, festive gifts, and other creations. Key Features and Benefits: Builtin 0.5W Speaker and 3.7V Rechargeable Battery Provides clear sound output and reliable power for your projects. Compact and easy to integrate into various designs. Light Sensor Control Automatically plays your chosen audio when exposed to light. Playback stops when light is blocked, allowing for interactive, responsive designs. Adjustable volume lets you sound levels to suit different environments. 8MB Internal Memory with USB Connectivity Easily update or change audio files using a USB data cable. Recognized by your computer as a USB drive, similar to an MP3 player. Supports standard MP3 audio files for simple file management. Rechargeable via TypeC USB Equipped with rechargeable button batteries for convenience. Charge directly from a computer or any USB charger using a TypeC data cable. Practical Applications: 1. Greeting Cards Create memorable cards for occasions such as Mother's Day, Father's Day, or birthdays that play a customized voice message or song when opened. 2. Custom Music Boxes Design a lightactivated music box for special events, anniversaries, or as a collectible gift that plays favorite tunes. 3. Festival and Holiday Gifts Add interactive sound effects or music to Christmas presents, decorations, or Year gifts to enhance the celebration experience. Specifications: Output Power: 0.5W speaker Power Supply: Builtin 3.7V rechargeable button batteries Audio Format: MP3 Memory Capacity: 8MB Charging Interface: TypeC USB Control: Light sensor trigger with adjustable volume This DIY light sensor sound module combines functionality, convenience, and creative potential, making it an essential addition for any project requiring customized, interactive sound playback.