Use the Perka® Acadia II 18 oz. double wall stainless steel speaker bottle at the gym or at the park. It’s convenient to drink from with it’s flip-up drinking spout and integrated straw. You can listen to music on the removable bluetooth speaker that has a 1.5 hour operating and charge time, an on/off button and a micro-usb cable is included. This bottle is vacuum sealed with an 18/8 steel liner and will keep your cold drinks cold for 24 hours and hot drinks hot for 12 hours. It has an integrated carry handle and a colored silicone band. The Acadia II bottle is FDA compliant and BPA free. A portion of all proceeds are donated to Shelter to Soldier™, a non-profit organization that rescues dogs to train as service animals for veterans in need.