NYNE Rock Portable Bluetooth Splash-Proof Speaker Featuring 65 Watts of Power, Midrange Speakers, Tweeters and Subwoofer IPX3 Rated Water/Dust/Shock Resistant for Protection from the Elements Bluetooth 4.0 Wireless Music Streaming with NFC Easy Pairing, 3.5 mm Aux Input with cable, AC Adapter with 4 Worldwide Plugs Superb Sound Quality and Bass with 4.1 Advanced Speaker Design and 65 Watt Built-in Amp Built in Microphone for Hands free Calling, Built-in USB Charging, Built-in Concealed Carry Handle Rechargeable Battery with 12 Hour Playtime and Battery Life Indicator 3.5mm Output to connect up Four Rocks together for Earth Shattering Sound 3 Year Platinum Online Dealer Warranty