JBL JR310BT Blue Duo Pack support - Coolblue

With the JBL JR310BT Blue Duo Pack, your children can all enjoy their favorite music without a chance on hearing damage. The headphones have a limited volume of 85dB, so the music will never be too loud. On a fully charged battery, your child can listen to music for 30 hours. Once the battery is empty, your child can charge it via the included USB-C charging cable. It takes 2 hours to fully charge the headphones. You and your child can decorate the headphones with the included stickers.

Manual JBL JR310BT Blue (1.19 MB)

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How do you adjust the sound of your JBL earbuds or headphones?

Do you want to change the sound of your JBL earbuds or headphones? You can do so in the JBL Headphones app. Here, you adjust the sound via an equalizer. In this article, you can read how to adjust the sound.

How do I pair my headphones or earbuds with my laptop?

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How do you connect your headphones or earbuds via Bluetooth?

How do you adjust the sound of your JBL earbuds or headphones?

Do you want to change the sound of your JBL earbuds or headphones? You can do so in the JBL Headphones app. Here, you adjust the sound via an equalizer. In this article, you can read how to adjust the sound.