Smart Screen, professional karaoke system, lyric display, hidden wireless microphone, Bluetooth or WiFi speaker, all in one design for a brand new karaoke experience. Compact all-in-one karaoke machine with display and two built-in wireless microphones that are ready to use immediately without pairing. Also easy to use for seniors, this speaker has a built-in battery for easy transport anywhere, such as to the garden or church. The 10.1" karaoke screen displays song lyrics: the best choice for a professional karaoke machine for adults. Share unlimited songs from YouTube with friends without tying up phones or iPads. The 180° rotatable touchscreen ensures optimal karaoke lyric display for your friends. Excellent karaoke sound and bass: exclusive technology reduces distortions caused by the resonance of the Bluetooth speaker, enhances bass, and provides a purer, clearer sound. Professional microphones with KTV tuning function enhance your singing voice. Shell S1 karaoke machine: compact yet powerful (180 watts), with a battery life of 8 hours for the karaoke system.