The Motorola EQ7 can be powered by the included AC power adapter or four AA-batteries so you will always have the option of staying connected. When using the speakerphone function, integrated controls make it easy to switch between music and calls with the touch of a button. The Motorola EQ7 will blast music in full, rich sound and enable you to take calls over the high-quality speakerphone with its powerful built-in microphone.