MUSIC THAT TRAVELS: Small size but mighty in volume to deliver powerful beats wherever you travel  HANDS FREE CALLING: With the built-in microphone, taking calls from your smartphone is easy.  VIRTUAL HAPPY HOUR: Turn your virtual happy hour party into a dance party with EXTRA BASS, and pair two for  PERFECTLY PORTABLE: Use the handy carry strap to carry around the house  SPLASHPROOF CASING: Take to the pool or beach without worrying about water damaging the speaker unit  UPGRADE THE AUDIO: Wirelessly connect 2 speakers and achieve stereo sound with Speaker Add Function  LONGER BATTERY LIFE: Longer Virtual Happy Hours with this rechargeable speaker's 6 hour battery life