The Great Outdoors requires Big Sound: NYNE's Rock Wireless Bluetooth speaker meets the challenge and then some! Featuring 50 watts of power, two midrange speakers, two tweeters, and a subwoofer. Rock packs a serious punch. If you're not afraid of dust or a few raindrops, neither is the Rock. Its sturdy rubberized finish and IPX-3 rating make it perfect for tailgate parties, outdoor barbecues, and ATV adventures. In addition to booming power, the Rock is all about making it easy to have fun. Connect quickly via NFC one-touch, or via Bluetooth 4.0. Sue Rock's integrated hands-free microphone to invite more friends to the party. There's a hidden carrying handle just in case you need to quickly change the location of the party. Last but not least Rock's rechargeable lithium ion battery provides up to 10 hours of play time for those celebrations that go well into the night.