The PartyBox Encore is a powerful 100 W speaker that uses the deep bass of JBL Original Pro Sound complete with a built-in dynamic light show and a splashproof design so you can rock out anywhere The colourful light show syncs to the beat, with fun ring lighting and an impressive strobe effect that helps to elevate your audio visual experience and take any party to the next level No need to worry about plugs with this portable speaker which plays for 10 hours without charging and can wirelessly pair with other speakers to boost sound and make it even bigger