Refined title: JBL Charge 4 Waterproof Bluetooth Speaker - Black

Introducing the JBL Charge 4 portable Bluetooth speaker, a powerful audio solution with a built-in power bank to keep your devices charged. Featuring a proprietary driver and two JBL bass radiators, this speaker delivers full-spectrum sound with strong, deep bass. Its high-capacity 7500mAh rechargeable lithium-ion battery provides up to 20 hours of playtime, ensuring you never run out of power.

The Charge 4 boasts a convenient USB charge-out port, allowing you to quickly charge your devices, such as your smartphone, whenever needed. Designed with a rugged, IPX7 waterproof exterior, the speaker can withstand the elements, making it the perfect companion for your adventures.

In addition to its impressive audio capabilities, the Charge 4 also offers seamless wireless connectivity. With JBL Connect+, you can wirelessly link more than 100 JBL Connect+ enabled speakers, creating an immersive, synchronized listening experience.

To ensure optimal performance, it's essential to follow these troubleshooting tips:

1. Before using the speaker, make sure the battery is fully charged. The included USB-C cable and quick start guide provide everything you need to get started.

2. Ensure that your device has the latest software and Bluetooth version installed for the best connectivity.

3. Bluetooth performance can vary based on the environment. For optimal results, minimize any interference, such as walls or doors, between the speaker and the device transmitting the Bluetooth signal.

4. The USB-A connection on the back of the speaker can be used to charge your devices, using the Charge 4 as a power bank.

5. Refer to the quick start guide for additional information and guidance.

Wireless Bluetooth streaming allows you to take turns enjoying powerful sound with up to two connected smartphones or tablets. The Charge 4's built-in rechargeable 7500mAh battery supports up to 20 hours of playtime, making it the perfect companion for your on-the-go adventures.

With its IPX7 waterproof rating, the Charge 4 can handle splashes, spills, and even submersion in water, ensuring you can take it to the beach or pool without worry.

The durable fabric material and rugged rubber housing of the Charge 4 allow it to withstand the rigors of your every adventure, while the dual passive radiators deliver the iconic JBL sound you love – loud, clear, and ear-catching.

The JBL Charge 4 package includes the speaker, a USB-C cable, and a quick start guide, providing you with everything you need to get started.

Please note that the Charge 4 does not come with a USB wall power adapter, so you'll need to use your own or purchase one separately.

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