JBL Battery 400 premium audio all moving in sync with

all moving in sync with your beat

5mm tweeters and three 2

crisp calls even when you’re jogging through a busy park or a breezy day

6in (176mm x 180mm x 270mm)

Watch a movie on your tablet in the airport lounge

JBL Battery 400 premium audio all moving in sync withAdd to Cart General Features Whats in the box Key Specifications Reviews General Features A great host always has a spare battery Keep the party going twice as long by having a spare JBL Battery 400 on hand. Just insert it into the battery slot in the back of your JBL PartyBox Stage 320 when the first one loses its charge. Each battery has enough power for up to 18 hours of playtime, which means you could keep the party going for up to 36 hours.