BL Signature SoundEnjoy an immersive audio experience at home or at a party that only JBL sound can provide.Light showsThere's a light mode for every mood: Meter, Pulse and Party mode.Portable with rechargeable batteryPlug in to the 12V DC output of your car or use the built-in 10,000mAh battery for 18 hours of playtime.Be Loud, Be Proud, Be Ready To Party!The JBL PartyBox 300 is a powerful party speaker with JBL sound quality and vivid light effects. Thanks to its rechargeable battery and 12V DC input you can bring the party everywhere. Just plug in your Mic or Guitar and take the stage or stream your playlist via Bluetooth or from a USB stick. Connect two PartyBox speakers wirelessly with the TWS feature or wired from one RCA output to another RCA input. Let's get the party started.