The Big Turtle Shell provides a full wireless audio experience. Using Bluetooth 4.0 technology and the resident aptX audio codec, the Big Turtle wirelessly connects with your smartphone, tablet, laptop, or any other Bluetooth-enabled device to bring you 110 decibels of crystal clear auditory bliss over a range of over 32 feet. Rugged and water resistant to IPX-5 standards the Big Turtle Shell Boombox is the loudest, toughest and best looking Bluetooth speaker on the market. Internal powerful and rechargeable Lithium-Ion battery gives you 16 hours of party time as well as serves as a backup power bank for your other electronic devices.