Connect wirelessly from a distance 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 lithium-ion 3,000 mAh battery Play your favorite tunes for up to 12 hours on a full charge. 16W RMS system power Delivers crisp, robust sound to complement your favorite music. Waterproof design Waterproof exterior enables use by the lake or out on the water. 70Hz - 20kHz frequency response Ensures a wide range of accurately reproduced sound. 80dB signal-to-noise ratio Provides clear audio. Built-in microphone Accepts hands-free calls through the speaker.