Dual Karaoke Microphones : Enjoy a fun singing experience with two wireless microphones that allow you to sing along and add vocal effects 6 Vocal Effects for Enhanced Fun : Choose from Diva, Female, Male, Child, Monster, and Professional mode to customize your voice 4 Dynamic Visual Display Modes : Multi-colored LED lights create exciting patterns to match your music Up to 7 Hours of Playtime : The long-lasting battery ensures uninterrupted entertainment with a USB-C rechargeable feature Versatile Connectivity Options : The Bluetooth speaker supports multipoint connectivity like Bluetooth, USB, AUX, and TF card for seamless audio streaming