Connect wirelessly from up to 33' away Pair this speaker with your smartphone, tablet or other Bluetooth-enabled device. Rich sound you can carry in the palm of your hand This portable device can slip into your bag to bring your music, movies and games to life on the go. Rechargeable battery Play your favorite tunes for up to 4 hours on a full charge. Splash-proof design Helps prevent damage caused by water infiltration. This speaker is perfect companion for all things adventure floats, fits in your cup holder and clips to your backpack. Built-in microphone Accepts hands-free calls through the speaker. Auxiliary audio input Allows simple wired connectivity.