The JBL PartyBox 300 is a powerful party speaker with JBL sound quality and dynamic lighting effects. With the rechargeable battery and the 12V DC input, you can take the party anywhere. Just plug in your microphone or guitar, and you're ready to rock the stage. You can also easily stream your playlist via Bluetooth or from a USB stick. You can connect two PartyBox speakers wirelessly using the TWS function or through a cable connection from an RCA output to an RCA input. Now the party can begin.