No Batteries: No Batteries required, dynamic children's microphone toy, compatible with 3.5mm socket of children's singing machine. Wide range of applications: Can create a happy party environment. Children's singing mechine, children's musical toy. Singing Accessory: Simple operation, plug and play, suitable for microphones of children's singing machines. Product Dimension: The microphone is about 23 x 6cm/ 9.05 x 2.36inch, Wire length is about 130cm/ 4.26ft. Gift selection: A magical children's toy microphone. A great gift for kids, they will like. Specifications: Product name: Wired Microphone Color: Pink, Blue Material: ABS Size(L x D): About 23 x 6cm/ 9.05 x 2.36inch Wire Length: About 130cm/ 4.26ft Connector Type: 3.5 mm Jack Package Includes: 1Pc x Wired Microphone Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.