Bluetooth sing-along system streams music for your child to sing with. 6 Voice changer effects for unlimited fun. Lead vocal off controls. Simple record and playback function. Multi-colored LED lights synchronize to the music. Up to 5 hours of operation. Carry handle double as a tablet holder. AUX IN for your music device. 1 Mic jack with volume control. Built-in rechargeable battery . output 5W RMS. Includes: 2 wireless mics. USB charging cable.