• Portable Bluetooth speaker with powerful audio drivers and advanced digital signal processors for clear sound and optimal singing experience. • Upgraded wireless microphone with independent voice, echo, and music volume controls, suitable for karaoke and use as a speaking microphone. • Multifunction karaoke machine: can be used as a Bluetooth speaker, music player, and karaoke. • Includes two wireless microphones and 4 sound effects: male voice, female voice, baby voice, and monster voice, plus original voice function. • Allows you to remove vocals from songs with a single click, leaving only the accompaniment. • Bluetooth 5.3 technology for fast and stable pairing with devices such as smartphones, iPads, and PCs. • Compatible with TF cards and headphone output. • Large capacity battery offers between 5 and 10 hours of use after a full charge. • Perfect for birthday parties, outdoor activities, and family celebrations.