Compare Singing Machine Bluetooth Microphone with Built-In Speaker (SMM548CA)

This microphone offers 3W total system power, and can be used indoors or outdoorsBuilt-in Bluetooth speaker provides crisp and loud audioCompatible with all music and karaoke appsOne-touch lead vocal removal provides a true karaoke experienceLighting effects sync with music and singing Six voice changing effects include echo, female, male, chipmunk, robot, and radioIntegrated audio control lets you adjust microphone levels 3.7V 1,200mAh battery is rechargeable and lasts for hours