K-box karaoke machine is the first of its kind to feature video casting technology. Video Casting technology - project SMC Karaoke app content to TV wirelessly. Bluetooth audio streaming. Line in plays from a music device. Lead vocal off controls. Multi-colored LED lights synchronize to the music. 2 Microphone jacks with volume control. Powerful clear sound with 15W of sound. Tablet cradle with anti-slip silicon. Disco lighting effect and Echo effect. Includes: AC adapter. One wired microphone. 1 Free month access to Singing Machine app.