The Gemini GLS-550 Portable Party System features dual 6.5" woofers and adjustable beat-synced party lights. Delivering 800 watts peak power with a built-in rechargeable battery and built-in media player allowing for playback via Bluetooth, FM Radio and USB. The GLS-550 includes a mic/guitar input with EQ Controls. It can also pair to a 2nd GLS series speaker via TWS connection.