• Slim Aluminum power bank emergency battery recharger. • Power/Technology: Rechargeable Lithium Polymer battery. Input DC 5V/1000mA; Output DC 5V/2100mA; Capacity: 4000 mAh. • Charge time differs by device. Must charge power bank prior to first use. • Power bank includes standard USB connector cable to charge battery from your computer or any USB port with a power supply. • Aluminum device includes 4 LED indicator lights: All 4 lights are illuminated when device is fully charged. Indicator lights flash while device is charging, and blink when power bank is charging your device. Lights will turn off one by one as power is drained from device use. • Individual phone attachments not included, only USB charging cable provided. • Instructions included. • FCC Approved. • UL Certified (UL File # MH60484). WARNING: Refer to the item manual for safety and warning instructions. **This item can only ship to the contiguous United States and Canada via ground**