Rock 7 Portable Bluetooth Outdoor Speaker. The Rock 7 features a shock-resistant and water-resistant design. Hook it up to your bluetooth device and enjoy music outdoors. You can also receive voice calls from the speaker when hooked up to a bluetooth smartphone. There is a LED light on one side of the device, just in case you bring it on a night excursion. This is one bluetooth speaker you'll want to bring with you everywhere.
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