Whether before the game or a fun gathering in your backyard, you can count on Game Day Party Music Machine from ION to make any event a winning occasion. Boasting a 2-way speaker system and 50-watt dynamic power amplifier, your music will always sound its best. With its IPX5 water-resistant rating, with Game Day Party, there's no such thing as a rain delay! The built-in lights pulse to the music for exciting visual effects. You can stream music from any Bluetooth-enabled device, and there's a long-life (50-hour) rechargeable battery. Wireless Stereo-Link lets you add a second Game Day Party (sold separately) to use each speaker as a left or right channel for true stereo playback. The special ION Sound XP app lets you control the audio and lighting functions from your phone. The Game Day Party always delivers a big win.