The Memorex Portable Wireless Speaker with built-in Bluetooth® wireless technology makes it easy to take your tunes anywhere. Its full stereo audio produces rich, balanced sound with enhanced bass for a music experience you can hear and feel. The built-in microphone lets you take hands-free class when your phone is connected to the speaker, and the USB charging port powers your device when connected to AC power. With easy to use controls and super simplified device pairing, your music is just a beat away. In a world without wires, the Memorex Portable Wireless Speaker reigns supreme.