BTR800 8-Inch Dual Tweeter Bluetooth Outdoor Weather-Resistant Rock Speaker - OSD Audio - (Single, Brown) NATURE-INSPIRED ROCK SPEAKERS  With natural rock look, this single 8-inch speaker is available in slate or canyon brown. Blends in with landscaping. GREAT SOUND  With 8-inch injection molded polypropylene woofers and dual 2-inch cone tweeters to bring best sound quality to outdoor setting BLUETOOTH CONNECTIVITY  With built-in Bluetooth 3.0 wireless capabilities. Range up to 150 feet. Power up this speaker with an AC power adaptor or six AA batteries. Stream your favorites outside ALL-WEATHER CONSTRUCTION  Rigid cabinet and all-weather materials protect against the elements with smartly placed seals to prevent moisture from making contact with internal components. PLACE IT & PARTY  Party at home or on the go with speakers that can be placed on the ground or any raised surface without compromising sound quality.