Altavoz Bluetooth portátil JBL Charge 4

Thanks for bringing this to our attention. Please do a force power cycle. First, make sure that your product is not connected to a power supply or charger. Next, hold down the power button for more than 30 seconds until the unit turns off. You may also try to perform a factory reset by pressing “Volume+” and “Bluetooth” at the same time for 3-4 seconds until you hear the audible chime.

Our JBL Charge 4 isn't designed to be magnetically attached to metal surfaces.

Our JBL Charge 4 can't play music files from a thumb drive. The USB ports work as a power bank to charge other USB devices. You could check out our PartyBox speakers which have the capability to play music files from a USB stick.

Our JBL Charge 4 can't play music files from a thumb drive. The USB ports work as a power bank to charge other USB devices. You could check out our PartyBox speakers that have the capability to play music files from a USB stick

Our JBL Charge 4 has a power-saving feature that will power off and disconnect the device after 10-15 minutes when not in use. You will need to keep on playing music on your source device if you don't want it to shut off.

Yes, You could use any USB power adapter with 5V and at least 2A power output rating.

Thanks for your inquiry. Please check if there's any physical damage to the power button. Make sure it has enough charge to power on the speaker, and what color is the LED light when it switches on? We'd like to work with you directly so we could try some troubleshooting with your JBL Charge 4. Please reach out to our customer support.

We'd like to work with you directly to address the issues you're experiencing with your JBL Charge 4. If needed, we'd also like to get more information so we can check your options. Please contact our customer support service via our official website or toll-free hotline.

Our JBL Charge 4 does not need any kind of subscription for it to be used to play music from any mobile device. All you need to do is connect the Charge 4 to a source device via Bluetooth and use any app to play the music of your choice.

Our JBL Charge 4 has a larger single driver that provides more power than it's predecessor. The position of the drivers on both our JBL Charge 3 will not make an impact on the sound quality. If you have any questions or concerns about your device, please contact our Customer Support.

Thanks for your inquiry. You may download the JBL Portable App and customize the EQ settings to adjust the sound output of your JBL Charge 4. If you have any questions or concerns with your device, please contact our customer support service via our official website or toll-free hotline.