Portability and Convenience Combines in This Powerful Indoor/Outdoor Portable Speaker with FM Radio. It is the time to meet ION Audio’s Sport Boom. This powerful new Sport wireless speaker with a rechargeable battery from ION Audio is the loudest Sport speaker yet. The Sport Boom is a completely new wireless speaker designed with portability and convenience built into it. The Sport Boom wireless speaker features a LI-Ion battery, FM radio and 60 watts of power, makes it easy to have great audio or music wherever you need or want it. The Sport Boom package also includes a high-quality microphone and cable which makes it a great portable PA system. Whether before the game or a fun gathering in your backyard, you can count on Sport Boom to make any event a winning occasion. Boasting a powerful 60-watt, your music will always sound its best. With its IPX5 water-resistant rating, with Sport Boom, there is no such thing as a rain delay! Safe to use by the pool or at the beach, the Sport Boom is the perfect portable speaker for use indoors or outside. You can stream music from any Bluetooth-enabled device or tune in to your favorite radio station via the built-in FM radio. The Sport Boom has a long-life rechargeable Li-Ion battery, so your speaker is always ready for use. The new ION Sound Control app, available via download, provides you with complete control of the portable speaker’s audio and FM radio functions from your mobile device. The Sport Boom, with the rechargeable battery, microphone, and FM radio, in a convenient portable speaker, always delivers a big win.