Item Type: Kids Microphone Material: Plastic, Electronic Components Battery: 1x3.7V1200MAH Lithium Battery (shipped with built in battery) Product Content: 6 Children's Songs, 6 Songs, 6 Stories, 6 Poems Package List 1 x Kids Microphone 1 x Charging Cable Shipped with built in battery 1Cartoon Shape: Cartoon microphone has cartoon shape and bright colors, the overall look is cute for kids to have fun 2Built in BT: Wireless microphone has built in BT function, with its own sound function, and also can be operated by voice change, bringing you more singing experience 3Applicable Range: The wireless microphone is not only suitable for children but also for adults, suitable for family singing, parties, meetings, outdoor events, birthday parties, car trips, etc 4Compact and Portable: The portable microphone has a compact form factor, which is convenient for you to carry easily and allows you to sing anywhere, anytime 5High Compatibility: Kids microphone has multiple connection methods and high compatibility, providing faster pairing, stable connection and signal transmission