These speakers have never been used. There are 2 speakers that can be used together or separated for surround sound. Here are some details - Spatially separated left and right channels boost the delivery of real stereo effects. Remove the speakers from your case and separate the magnetic bases to play music from different angles, or leave your speakers connected like a traditional speaker. Each wireless bluetooth speaker is louder than most portable speakers on the market, providing 5 watts of optimized output each. The built-in subwoofer in each speaker enhances bass and creates an extraordinary music experience.