12W 50mm high quality speaker and passive subwoofer produce powerful?? rich?? clear sound from the ergonomic?? Compact design</br>IP67 rated dustproof and waterproof with buoyant construction so you bring your music to even the harshest environments</br>Control play/pause and skip tracks from the boom bottle and view LED battery level indicator on the front of the boom bottle H20+</br>Powerful rechargeable lithium-ion battery provides up to 11 hours of continuous play time for those longer excursions</br>Includes reversible EZTIP Micro USB charge and sync cable and a 1/4 inch thread on bottom of the unit for mounting on