Feature: 1. Four Minutes: According to guest request, record music, or whatever you want to say, for up to four minutes. 2. Convenient: This sound module has been welded microphone, buttons, speakers and so on, users can use after receiving the product, very convenient. 3. Wide Use: The sound module is ideal to make a DIY music box, musical greeting cards, photo frames, album, gift box and the other gifts. 4. Battery Operated: The music sound chip needs three AAA batteries, 16 ohm 0.25 watt speakers, sounds great. 5. Easy for Installation: Install this sound record chip in your project or gift, and then push the button. 6. Button Control: Key play, repeatable recording. The cable length is designed for your convenience. Specification: Item Type: Sound Module Material: PCB Recording Time: 4 Minutes Operating Voltage: 3.0V-4.5V Horn Size: Approx. 40x4mm / 1.6x0.2in Circuit Board Size: Approx. 31x21mm / 1.2x0.8in Battery Type: 3 x AAA Battery (Not Included). Package List: 1 x Sound Module Note: