Altec Lansing Boom Jacket - Outdoor Bluetooth speaker - Black, this bluetooth speakers has the IP67 certification to enable you to use it anywere.! Its endless battery life gives upto 40 hours of palytime in a single charge. The wireless range of this speaker is about 50 feet. The speaker is designed to produce high quality stereo sound. The voice confirmation and built in microphone for clear hands-free communication, gives an edge to this product over its competitors. Brand Info: From sleek wireless systems that go where you go. To headphones that make your music even more personal. To speakers that keep your phone charged, so you never miss a beat. It's what we've been doing since our first breakthrough in 1927: Connecting people to sound through our innovative speaker designs. When moviegoers first heard actors' voices, Altec Lansing made it happen. When 450,000 people packed a farmland in Woodstock, N.Y., Altec Lansing delivered the soundtrack. And when generations of music lovers have wanted to get lost in sound, Altec Lansing is the name they choose. Again, and again. Because we get that music may change, but its power to move us never does. Which is why people who know audio know Altec Lansing.