Bluetooth 4.2 for wireless connectivity up to 100 feet / 30 meters</br>Pair two Fugoo GOs with one source device in Double or Stereo mode</br>Up to 10 hours continuous play at 50% loudness</br>Charged via USB (micro USB cable included?? 5.5 hours to full charge)</br></br>Product Description</br></br>Enjoy great music wherever life takes you. Introducing FUGOO GO - the best value in waterproof Bluetooth speakers. GO was built to to deliver large and loud music to go with your active lifestyle. Waterproof and rugged with 360?? audio?? built in Mounting Cord and 10 hours of battery life. At this value?? pick up two since the work together for bigger action and parties.</br><br/>http://www.amazon.com/gp/product/B01MYLH86K