Works with any smart phone or tablet.Connects using wireless technology.Master and bass volume control.Aux-in audio jack (connection cable not included).Micro USB DC jack (DC 5V/ 1A) to connect to your own power supply for play (connection cable not included).Can be used with x 4 AA Batteries (not included) for a play time of up to 3 hoursSand and water resistant. Beach Sounds Speaker - Utopia Aqua