The Rocket Wireless Singing Machine is an all in one music experience that enables you to sing on the go! The new completely wireless singing mic can amplify your voice and play your music through the built in speaker. Adjust the volume and echo to layer on top of your favourite songs. Music can be connected from your computer or handheld device via bluetooth. Includes light up base, headphone jack and even works as a standalone speaker. Requires 3 x AAA batteries.