This Bluetooth speaker from Oontz has Big Sound for Parties, large Rooms and yards. High Quality sound at all volumes. USB Power Bank charge your phone while you play. Up to 10 hours of play time from the rechargeable lithium-ion battery. Wirelessly connect to your Bluetooth device: iPhones, iPads, Cell Phones, Tablets, iPod, and Computers. Wireless hands free Bluetooth personal speaker phone. Weighs under two pounds and curved design makes it easy to carry everywhere you go.