1、Can record your own voice after long press it. 2、Can be used as a parent-child interactive . 3、Can be used as a children\u0027s language education . This button can record your own voice and you can record after long pressing.It can also be used as a parent-child interactive , a children's language education , or as a phonograph between family, company and friends. Features: Can record your own voice after long press it. Can be used as a parent-child interactive . Can be used as a children's language education . Can be used as a phonograph between family, company and friends. Small size, easy to carry and easy to use. Different colors for your choice. Long press for about 6 seconds to record a sound, and the recording time is less than 30 seconds. The diameter of single button is 6.5cm. Specifications: Item type: Button Material: ABS Color: Blue, pink, green, orange Gender: Unisex Battery: 2 * AAA(not included) Volume: 80dB Package weight: 300g / 10.5ounces Package size: 160 * 160 * 80mm / 6.29 * 6.29 * 3.14inches Packing list: 4 * Button 4 * Button