You can simply record your own voice that the recording time is less than 20 seconds after a long press of the sound button. Having compact button design, it is a funny party prop, parent-child interactive toy, children's language education toy and a phonograph between family, company and friends. Made of high quality plastic material, it is durable and secure. The length, width and height of the sound button separately are around 9cm, 9cm and 4cm. It is suitable for kids, early education, party prop, Christmas gift, language learning and parent-child interaction. Item Name: Sound Button Material: Plastic Features: Interactive, Fun, Vocal Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Sound Button(Batteries Not Included)