- 4.3 in. TFT digital color screen - 25 watt peak power output - Powerful Bluetooth speaker - LEDs that synchronize and flash with rhythm of music - On/off switch for sync LEDs Encourage audience participation at your next event with this Karaoke USA portable speaker system. Feed tunes into the unit via USB, SD cards and Bluetooth-compatible devices and use the included microphone to let participants sing along. Amplifier volume control helps energize the crowd. This Karaoke USA portable speaker system features a built-in 2000 mAh rechargeable battery for easy operation anywhere. Portable karaoke system With MP3 playback lets you get the party started almost anywhere. Built-in TFT screen Displays lyrics to help you sing along. Volume, echo and balance controls Deliver quality audio. Remote Lets you control the device from across the room. Dual microphone jacks Enable you to add a second microphone for duets. Bluetooth interface Allows you to wirelessly stream digital audio from compatible devices. Built-in speaker Projects your performance. Built-in USB port Lets you play songs and graphics from your compatible MP3 player.