Fantastic Bluetooth Speaker from Fugoo with great sound. Audio Quality 360 degree full fidelity sound. Up to 97 db at .5 meters. 4 tweeters, 2 mid woofers and 2 subwoofers Power 35 hours continuous playback from full charge at 50% loudness. Recharge in 3 1/2 hours with included adaptor. 37 watt lithium ion battery. Rugged Waterproof (submerged up to 3 ft for 30 minutes) and floats if it falls into the water. Snow proof, dust proof and shockproof (rated for up to 3 ft. drops) Powerbank Quickly charge your phones and tablets with the included USB port. I love this speaker but just don’t use it enough to justify keeping it.