This is a Uni-Shoulder Strap BackPack built in 2 (mine and mini) speaker . that is in camouflage style. It is easy to carry as it has a belt and a adjsutable shoulder strap.The powerful speaker which can be connected directly to your iPod, iPhone, MP3/CD player or any device with 3.5mm audio jack.

1.5 volt AA battery x 6 with battery holder (battery not included).

• Mine speaker 10cm, Bass sound 5  watt each.
• Min speaker 3.6cm 0.5 watt each to from stereo of high..
• 3.5mm jack cord.
• Built in stereo amplifier.
• Baddge cap for quick and strong battery connection.