Features: and high quality 1-minute recording time - Record music or messages based on your needs Recording can be repeated; each new recording overwrites the previous one Widely used for applications such as greeting cards, gift boxes, jewelry boxes, crafts, and children's toys Powered by 3 button cell batteries, equipped with an 8Ω 0.25W green speaker for clear and loud sound output Operated via button activation to control voice playback Cable length approximately 10cm / 3.94in, designed for easy integration Package Includes: 1 x Voice Greeting Card Module Specifications: Type: Voice Greeting Card Module Recording time: 1 minute Working voltage: 3 button cell batteries (3.0–4.5V) (included) Function: Press the button to play back recorded message or music Board dimensions: 46mm (L) x 27mm (W) x 10mm (H) / 1.8in x 1.06in x 0.39in Horn diameter: Approx. 40mm / 1.57in Horn thickness: Approx. 5mm / 0.19in Button cable length: Approx. 10cm / 3.94in Weight: Approx. 22g Module size options: Approx. 5cm / 1.97in or 10cm / 3.94in (depending on model) Recording and Playback Instructions: 1. Press and hold the record button until you hear a "DI" sound, then speak into the microphone to begin recording. 2. Press the record button again to hear a confirmation tone. Release the button to complete the recording. 3. Press the playback button to listen to the recorded message. The sound will play once each time the button is pressed. Note: Please allow slight variations due to manual measurement.