The 
JBL Boombox 3
 is a powerful portable Bluetooth speaker that delivers massive sound and deep bass. It has an updated, bold design with a metal handle, and its durable construction makes it waterproof and dustproof with an IP67 rating. 
JBL Boombox 3
 features
Audio and sound: The speaker features a new 3-way speaker system with a subwoofer, two mid-range drivers, and two tweeters. This design produces JBL Original Pro Sound with high sensitivity and less distortion, even at high volumes. The frequency response ranges from 40 Hz to 20 kHz.
Battery and power: The 
Boombox 3
 can provide up to 24 hours of playtime on a single charge. It has a built-in power bank that can charge other devices via a USB port. It takes about 6.5 hours to charge from empty.
Connectivity: This model supports Bluetooth 5.3 and JBL PartyBoost, allowing you to wirelessly connect multiple speakers for a synchronized listening experience. It also has a 3.5mm audio cable input for wired listening.
Durability and design: The speaker is rated IP67, meaning it is resistant to both dust and water and can be immersed in water up to 1 meter deep for 30 minutes. It has a sturdy metal handle with a silicone grip for easy transport.