The VPS082A is a complete plug & play set, ready to start your party. The set contains a pair of 8" speakers, a passive and an active model. The active model houses the amplifier which has a built-in USB/SD player and BT wireless technology to stream your music wirelessly from your smartphone or tablet. Both speakers have a blue LED ring around the woofer to colourize and illuminate your party. Completing the kit is a wired microphone for karaoke or presentation purposes. 400W speaker set  Incredibly simple to set-up & use Built-in USB player with display Using BT wireless technology for audio streaming 2 Microphone inputs (6.3mm Jack) Including remote control Including wired microphone Including speaker cable