These compact, attractive speakers go anywhere because they’re powered by a built-in long-lasting rechargeable battery and they don’t attract any attention because they look like natural rocks. They’re IPX4 water-resistant and work off a wireless signal from your Bluetooth device to play continuous music that will delight everyone. These speakers are actually complete systems, containing a wide-range driver that delivers rich, lifelike response and a built-in 20-watt dynamic amplifier that produces the clean sound you need outdoors. Finally, outdoor musical entertainment without complication.Key Features:-Streams music wirelessly from any Bluetooth music player or phone-Connects wirelessly to an additional Rock Speaker (sold separately)-Built-in rechargeable battery lasts up to 48 hours per charge-Level IPX4 water-resistant: protected against splashing water-Lightweight, portable design, easy to move around the yard-Realistic rock design, perfect for gardens or patios