24 oz. Shock resistant TritanTM water bottle with built-in full capacitywireless speaker in lid. Features a flashing LED ring of light on lid while speaker is in use and microphone for answering phone calls. Built-in carabiner; micro USB charging cord included; 2 hour charge time, 3-4 hour playtime; frequency: 130HZ~20KHZ; 10M distance. IP66 water and dust resistant.