Rechargeable 9000mAh high capacity lithium polymer battery. 2.1 AMP and 1.0 AMP USB outputs (two USB outputs). 4 LED light indicators display the amount of power. Power on/off button. Micro-USB charging cable included. Compatible with mobile phones, tablets, MP3 players, and more! Compatible with your USB charging cable (Apple, Android, Mini-USB, Micro-USB, etc.)