Optimized for Outdoors Experience remarkable audio with the boomBOTTLE H2O- The boomBOTTLE H2O packs remarkable wireless audio into a rugged IP67 waterproof frame – perfect for the poolside, beach, snow or any other environment. Remarkable Sound 50mm up-firing speaker and passive subwoofer produce impressive audio and improved acoustics. The up-firing speaker sends music in all directions. Integrated Music Controls Easily control play, pause, track forward/backward, adjust volume and more with the integrated controls. Built-in Power A rechargeable lithium polymer battery provides up to 11 hours of continuous music playback. Use the included micro USB cable to easily charge boomBOTTLE H2O before you leave the house. The charging port and aux input are carefully covered with a flap that closes/opens to protect against dust,debris and water. Use it Anywhere boomBOTTLE H2O fits in most water bottle cages and cup holders and wirelessly streams audio to your device. Additionally, the 3.5mm auxiliary input has also been included for connecting other devices when wireless capabilities are not needed. Wirelessly Works with: All Bluetooth streaming A2DP audio devices including: iPhone, iPod touch, iPad, Android Devices, Smartphones, Tablets, Laptops and more. Also works with devices using 3.5mm aux cable