RECHARGE YOUR MOBILE ELECTRONIC DEVICES WITH THE USB POWER BANK CHARGER. WITH A 2200 MAH LITHIUM POLYMER GRAD A NON RECYCLED BATTERY, 5 VOLT, 0.8 AMP OUTPUT, OVERLOAD AND SHORT CIRCUIT PROTECTION, OUR POWER BANK CAN FULLY CHARGE MOST MOBILE DEVICES GIVING YOU UP TO 8 HOURS OF ADDITIONAL TALK TIME. BANK HAS USB OUTPUT AND MICRO USB INPUT. LED INDICATOR IS BLUE WHEN BANK IS TURNED ON AND RED WHEN THE BANK IS CHARGING. 3.75" H X 0.875" W