This wireless speaker's innovative design utilizes two active speakers & 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 tested to protect your device from high-speed water jets, so if you were to get caught in a powerful rain storm or heavily splashed when poolside, your speaker is protected. Stylish dual LED indicators notify you with visual alerts when charging, charge complete, & pairing the speaker to your phone, tablet, computer or TV. Mounting: Portable; Connector / Port / Interface: 3.5 mm Line Out; Bluetooth; Output: 25 W; Depth: 3".