Connect to Wifi to access favorite karaoke videos. Videos play through the 7" HD touchscreen display. Can also play music via Bluetooth line-in or USB. Two independent side speakers with built-in subwoofer. Compatible with most music and karaoke apps. Record and share performances. Echo control for voice effects. Music synchronized light show makes for fun performances. HDMI output displays lyrics on a TV. Simple one-click YouTube access. Comes with 1-month free subscription to Singing Machine Karaoke catalog. Includes 2 microphones and AC adapter.