Singing Machine SMM548 Party Machine Microphone with Bluetooth and Voice ChangersThis rockin’ mic is built for fun and good times anywhere! It features big time, blasting audio and dazzling music-syncing lights. Just pair your Bluetooth device to get the party started. The 6 built-in voice changers will take your performances to the next level. If you’re feeling brave, remove the lead vocals from any song with the touch of a button. Does Party Machine refer to the microphone or the person using it? That’s up to you to decide! Features •Microphone with built-in Bluetooth speaker•Lighting effects sync with music and singing•Works with all music and karaoke apps•Rechargeable battery for hours of fun•6 fun voice Changing effects including echo, female, male, chipmunk, robot and radio•1-touch lead vocal removal for a true karaoke experience•Crisp, clear, loud built-in speaker•Adjustable microphone volume controlIncluded •SMM548 Party Machine Mic•Micro-USB charging cableDimensions2.2(W) x 3.4(L) x 10.0(H)Weight15 ounches