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Recharge your portable speaker and via the micro-USB cable, the most common industry standard charging port on the planet. Lose our supplied cable, no problem, you probably have 4 more somewhere in the house. See that USB port? Have MP3 files on a thumb drive simply plug it in and listen to those audio books or music without the need to connect via Bluetooth. (and yes, you can also re-charge your phone's battery from there too)
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Bluetooth
Guaranteed to work with your Bluetooth device, or your money back. With a built in speakerphone, no need to hunt for your phone when a call comes in. Want to share your speaker, introducing Party mode, connect two phones to your Rocksteady XS at the same time.
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Science of Sound
What is the secret to our great sound? Airflow and physics. We’ve engineered the Rocksteady XS to recapture all the energy from the speakers and drive it to your ears with purpose. Bass? Yes, using our innovative solution that captures the speakers internal pressure and propels it through a bass membrane.
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The Party Never Stops
The RocksteadyXs features a removable battery system. If 10 hours of continuos play isn’t enough for you, swap in a freshly charged battery and the party never stops. Additional batteries and charging system are available in the BUY section.
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Get in touch with us

We pride ourselves on providing the best customer service, bar none.

Feel free to email or reach us on facebook or twitter.

Contact Address

Killer Concepts
22965 La Cadena Dr.
Laguna Hills, CA  92653

Office Hours

9am to 6pm
Monday to Friday