... Waist Pack Speaker is a peripheral equipment for iPod, MP3, MP4, CD ,Walkman, cell phone and moreFashionable, exquisite, lightweight ... bag for your traveling, hiking, entertainmentSpecification:Powered by 2 x AA batteries (not included)Size of the large compartment: ... approx. 20 x 17 x 8cmSize of the front compartment: approx. 17 x 10 x 2.8cmWeight: 229g fashion mp3 sports speaker bag ( ...