SOUND RING Wireless Portable Speaker, RedThis wireless speaker's innovative design utilizes two active speakers and two passive radiators, providing deep rich bass for hours of listening enjoyment. True wireless stereo allows you to pair two Sound Ring speakers to the same source to form a true wireless stereo system. Spread your Sound Ring speakers 20 ft apart to fill your space with 360 sound. Built in microphone allows you to answer calls with the touch of a single button. IPX6 Waterproof