Features:
*Works with most smart phones, tablets & USB encable devices
*LED power indicator
*With sound effect just like Iron Man

Specifications:
*Input: DC5V/1A Max
*Output: DC5V/2A Max
*Capacity: 4000mAh
*Product Weight: approx. 132gram
*Product Dimension: 96.2 x 60.7 x 23.2mm
*Cell Type: Lithium-Polymer Battery
*Input Charging Time: 4-7Hrs

Contents:
*User Manual
*Iron Man Style Battery Pack (4000mAh)
*Micro USB charging cable (input/output)