JBL Xtreme 4 Portable Waterproof Bluetooth Speaker LIGHTING Dynamic Action Sync: Yes

Dynamic Action Sync: Yes

Use the Tread app on your smartphone and/or zūmo XT2 device to track friends with the Group Ride Mobile feature1

OS Support: Windows 11 – 64-Bit Edition

Compatibility: MacBook 12″ Early 2015

POWER- BRICK

JBL Xtreme 4 Portable Waterproof Bluetooth Speaker LIGHTING Dynamic Action Sync: YesUnleash powerful sound everywhere. Its time to live loud! The JBL Xtreme 4 portable waterproof speaker delivers next level massive JBL Pro Sound with amazing dynamics, even at top volume, thanks to two powerful woofers and two tweeters. Dual pumping JBL passive radiators give you deeper bass that moves you. Want to take your music outside? The handy shoulder strap makes it easy, while the rugged rubber bumpers and IP67 waterproof and dustproof rating