Light Sensor sound module MP3 Chip with 8MB Memory Micro USB Speaker for DIY Festival Greeting Card Creative Gifts playable

【8MB Storage】 Thanks to the integrated 8MB memory with a Type-C USB port, you can easily update the music using a smartphone USB cable. It is recognized by a computer as a USB drive—just like an MP3 player—allowing you to add any MP3 audio files to the internal storage. 【Easy to Use】 Light Sensor Control: When light is detected, the module automatically plays the music. The self-adhesive backing on the sound module makes installation quick and easy. Rechargeable Battery: Recharges via the Type-C USB port. The volume is also adjustable. 【The Perfect Creative Gift】 Featuring a 0.5W speaker and 3.7V button cell, this sound module is ideal for creating DIY music boxes, musical greeting cards, photo frames, scrapbooks, gift boxes, and other creative presents for Mother's Day, Valentine's Day, and the Christmas season. 【Basic Specifications】 Supply Voltage: 4.5–5V. Batteries: 2 x 3.7V button cells. Power Output: 0.5–1W. Speaker Size: Ø36mm. Module Dimensions: 45 x 40mm. RAM: 8MB. 【User Manual Link】 https://m.media-amazon.com/images/I/61SwQ83CglL.pdf 【Quality & Safety】 If you have any questions or suggestions, please feel free to contact us. We will resolve the issue for you within 12 hours.