4 minutes - Record music or messages up to 4 minutes long, depending on your needs. Widely used for Christmas cards, gift boxes, jewelry boxes, crafts, and children's toys. Powered by 3 button cell batteries, equipped with a 16 ohm 0.25W speaker that delivers clear and loud sound. Activate playback with a simple button press. Recording can be repeated; each new recording overwrites the previous one. Specifications: Type: Voice Greeting Card Recording time: Up to 4 minutes Working voltage: 3 button cell batteries (3.04.5V) (included) Function: Press the button to play recorded audio Board dimensions: 46mm (L) x 27mm (W) x 10mm (H) Speaker diameter: Approx. 40mm Speaker thickness: Approx. 5mm Button cable length: Approx. 10cm Weight: Approx. 22g Package includes: 1 x Voice Greeting Card Note: Slight variations in measurements may occur due to manual measurement. 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 drop tone. Release the button to stop and save the recording. 3. Press the button to play back the recorded message. Each press plays the full recording once.