-Built-in stereo sound and bass reflex port makes it the perfect speaker for indoor and outdoor activities.
-4400mAh high capacity lithium battery equals non-stop music with up to 6.5 hours playtime.
-Two extra microphone jacks allow you to connect more microphones to karaoke with your family and friends.
-Besides Bluetooth connection, you also can connect it via USB/TF card/3.5mm auxiliary input. Works with all of your external devices like Smart Phone/iPad/Tablet/PC.