Giving you sound that you can see, the Altec Lansing BoomJacket Jolt will blow you away! Delivering crystal clear, immersive sound that will be sure to impress. 30 hours of uninterrupted sound will keep the party pumping and your ears happily listening. Need a quick charge on the go? The BoomJacket Jolt has you covered! Qi Wireless Charging Pad built-in on the top of your speaker allows you to simply drop and charge your Qi enabled device. Need a boost for a non-Qi enabled device? No problem – the built-in USB charging port ensures that every device will receive the charge they need! Amplify your speakers sound with House Party Pairing and connect up to 50 speakers at once to pump up the party!