The OU-BAND Wireless Outdoor Speaker is a rugged and portable mini Bluetooth Speaker that provides high definition sound for any occasion. This device wirelessly connects via Bluetooth V4.0 Technology at a distance up to 32 feet/10 meters. Works with any Bluetooth-enabled smartphones, including IOS (iPhone) & Android, tablets, iPad, laptop or MP3 players. Built-in microphone Enables use as a speakerphone, so you can enjoy hands-free calling. 3.5mm auxiliary input For simple wired connection. USB port facilitates charging. EXCELLENT SOUND AND VOLUME - Two precision acoustic drivers provide very loud, distortion-free stereo sound in exceptionally high quality - Passive subwoofer delivers punchy bass for a perfect blend of crisp highs, strong mids and deep lows; stand speaker on its side when playing bass heavy music to prevent it from moving around - Power packed with loud sound to entertain and fill any room, outdoor gathering, picnic and pool party Specifications: Output Power: 6W Input Voltage: DC-5V/500MA Polymer battery:3.7 V/1100mAh Frequency Response: 80Hz-20KHz-3db Product weight: 300G Product dimension: 136*73*71mm