This Bluetooth karaoke speaker system, with a built-in microphone, is perfect for kids who love to sing and dance. It is compatible with any device that supports Bluetooth connectivity, making it easy to use. The speaker system is designed to be portable, so you can take it with you wherever you go, whether it's a party or a family gathering. The K12 model is a high-quality speaker system that provides excellent sound quality. The speaker system is easy to operate, and it comes with a user manual that provides step-by-step instructions. This speaker system is ideal for anyone who loves music and wants to enjoy it on the go.