Rockbox #3 is the portable Bluetooth speaker for those who want to play their music loud. Thanks to its impressive size, passive bass woofer and two high-quality drivers, the portable Bluetooth speaker Rockbox #3 is here to set the stage and bring your music to life. Pair it with your phone or tablet via Bluetooth and the Rockbox #3 will provide a powerful sound to celebrate your best moments.Everlasting funIts rechargeable battery provides an impressive 8 hours of playback time which will last you through spontaneous outings and parties with friends. No worries anymore when your smartphone runs out of battery and spoils the fun. The party never ends thanks to the built-in powerbank which allows you to charge your smartphone or tablet.