C2G / Cables to Go Audio Unlimited 900MHz Add-on Rechargeable Wireless Indoor/Outdoor Rock Speaker, Granite (SPK-ROCK2)
From the ManufacturerGreat Sound, Inside or Outside the HomeAudio Unlimited Outdoor Wireless Weather Resistant Rock Add On Speaker is the perfect solution for today's consumer who is looking to add or expand to high quality music and home theater sound taking it anywhere outside or inside the home.Audio Unlimited's Rock Speakers are Portable, Wireless, and Weatherproof