[. . . ] [. . . ] Press Play on your audio device and adjust its volume to the desired level. Charging · · Connect the larger USB plug into a powered USB port on your computer. The LED will turn Magenta while charging, and back to blue when the batteries are fully charged. You can continue use of your speakers while they charge. These speakers are powered by a rechargeable battery in each speaker. When the blue light dims, or you experience sound distortion, recharge the batteries. [. . . ] [. . . ]