This Certified Refurbished product is factory refurbished, shows limited or no wear, and includes all original accessories plus a 90-day warranty</br>Wireless music streaming via Bluetooth</br>Built-in microphone for hands-free phone calls</br>Advanced audio performance with a slim design. Anti-clipping function for loud, distortion free music</br>Built-in rechargeable battery for music playback anywhere</br></br>Product Description</br></br>Bluetooth is a short range wireless communication technology that is both robust and energy-efficient. The technology allows easy wireless connection to iPod/iPhone/iPad or other Bluetooth devices, such as smartphones, tablets or even laptops. So you can enjoy your favorite music, sound from video or game wireless on this speaker easily. With its built-in microphone, this speaker also works as a speaker phone. When a call comes in, the music is put on pause and you can talk via the speaker. Call for a business meeting. Or, call your friend from a party. Either way, it works great.</br><br/>http://www.amazon.com/gp/product/B01IDWPK9W