JBL Go 4 Ultra Portable Bluetooth Speaker

Thanks for your inquiry. Our JBL Go 4 has up to 7 hours of battery life. This may vary depending on volume and music content.

The JBL Go 4 has a power output of 4.2 Watts RMS and is not suitable for a large room of 30 to 40 people. It can reach a maximum volume of approximately 94 decibels (dB) when measured close to the speaker, which is only adequate for personal listening or very small, quiet spaces. -Sarge

If you're talking about Verizon dollars, you can use them on devices, accessories, and gift cards. -Will

Thank you for your Inquiry. Our JBL Go 4 has a maximum output of 4.2 Watts RMS.

Thanks for your question. Yes, our JBL Go 4 can connect to any Bluetooth-enabled source device, whether it be a Samsung Galaxy A26, other smartphones, or a tablet.

Thanks for bringing this to our attention. We would like to work with you directly to address your concerns. Please contact our customer support team through our official website or toll-free hotline.

Thanks for your question. The ENO M2 instrument cannot be connected to our JBL as it is a Bluetooth speaker designed to play audio from source devices like phones and tablets.

Thanks for your question. Our JBL Go 4 features a standard excursion speaker for balanced audio performance.

Thanks for your question. Yes, you can use our JBL Go 4 in the shower. It has an IP67 rating, which means it's both dustproof and waterproof, it can be submerged in up to 1 meter of water for up to 30 minutes.

To know when the JBL Go 4 is fully charged, look for the LED indicator light on the device. When charging, the light will typically be red or orange, and it will turn off or change to a different color, such as green or white, once the device is fully charged. Always refer to the user manual for specific charging indicators related to your model.-Cryssie