Enhance your creative projects with this versatile Greeting Card Module, designed to record and play personalized messages or music for up to 4 minutes. Featuring a light-sensing trigger button, this module offers easy activation and clear sound output through its built-in 16Ω 0.25W environmental speaker. Pre-assembled with a microphone, keys, speaker, and battery, it is ready to use right out of the box, making it an ideal choice for custom greeting cards, gift boxes, jewelry boxes, crafts, and children's toys. Key Features: · Customizable Recording: Record your own message or music for up to 4 minutes, with the ability to overwrite previous recordings for endless creativity. · Light-Sense Trigger Button: Automatically plays your recording when activated by light, adding an interactive element to your projects. · Built-in Speaker & Microphone: Equipped with a 16Ω 0.25W speaker and sensitive microphone to ensure loud and clear sound quality. · Ready to Use: Comes pre-welded with microphone, keys, speaker, and battery, requiring no additional assembly for immediate operation. · Compact and Lightweight: Measuring 46 x 27 x 10mm, this module is easy to integrate into various crafts and products without adding bulk. · Power Supply: Operates on 3 button cell batteries (included) with a working voltage range of 3.0V to 4.5V for reliable performance. · Flexible Playback Modes: Supports single play and loop play options to suit different usage scenarios. Specifications: · Recording Time: Up to 4 minutes · Working Voltage: 3 button batteries (3.0V–4.5V, included) · Board Size: 46 x 27 x 10mm (1.8 x 1.1 x 0.4 inches) · Speaker Diameter: Approx. 40mm (1.6 inches) · Speaker Thickness: Approx. 5mm (0.2 inches) · Key Cable Length: Approx. 5cm (2 inches) Recording and Playback Instructions: 1. Press and release the record button (red wire key) and wait for the "DI" sound, then speak clearly into the microphone from 5-10 cm away to start recording. 2. Press the record button again and listen for the drop sound to confirm recording completion. 3. Press the play button (black wire key) to listen to the recorded message; press again during playback to stop. Package Includes: · 1 x Greeting Card Module This Greeting Card Module is the perfect audio solution for personalized gifts and creative projects, offering easy recording, clear playback, and convenient operation in a compact design.