JBL Xtreme 4 portable speaker

• Next level massive JBL Pro Sound
• Up to 24 hours of playtime plus 6 hours with Playtime Boost
• Convenient shoulder strap
• AI Sound Boost
• Waterproof and dustproof
• Multi-speaker connection by Auracast
• Power up with the built-in powerbank
•  Fast charge
• JBL Portable app