Beach Sounds Utopia Melon

Works with any smart phone or tablet. MP3 bluetooth 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 hours Sand and water resistant.